Do-it-yourself punch repair p 600er interskol

Recently, Interskol perforators have been especially popular. They are reliable and easy to repair. It is easy to get spare parts on them.

Interskol perforators have a wide range of models. The tools are conventionally divided into two segments: rotary hammers equipped with an SDS-plus chuck, and rotary hammers with an SDS-max chuck.

Repair of the Interskol perforator can be carried out both in service centers and independently. To repair Interskol perforators with your own hands, you need to have the skills of a locksmith and knowledge in electrical engineering in the amount of high school.

And always remember to follow the safety rules.

Each tool has a corresponding identification plate. For example: puncher Interskol P-18 / 450Er. It stands for:

• the letter P indicates that the tool belongs to the family of punchers;
• number 18 indicates that a drill up to 18 mm in diameter can be used with this rock drill;
• the number 450 indicates the power of the hammer drill in watts.

The line of Interskol perforators with SDS-plus cartridges is represented by 13 models: P-18 / 450ER, P-20 / 550ER, P-22 / 620ER, P-24 / 700ER, P-24 / 700ER-2, P-26 / 750EV, P-26 / 800ER, P-26 / 800ER-2, P-28 / 800EV, P-30 / 900ER, P-30 / 900ER-2, P32 / 1000E, P-32 / 1000EV-2.

Interskol perforators with SDS-max cartridges are represented by the following models: Interskol P-35 / 1100E, P-35 / 1100EV-2, P-40 / 110EV-2, P-45 / 1100E, P-50 / 1200E.

There are other models of Interskol perforators on the market: Interskol P-600 ER and Interskol P-710 ER. These models were produced at the beginning of the development of Interskol production.

Among domestic users, the most common models are Interskol P26 / 800ER, P30 / 900ER, P710 / ER perforators.

The principle of operation is the same for all rotary hammers.

The rotational moment from the rotor is transmitted to the barrel shaft and the working tool attached to it. At the same time, with the help of an oscillating bearing, popularly called "drunken bearing", the torque is converted into a reciprocating motion that transmits a shock impulse to the working tool.

All Interskol perforators are assembled according to one general scheme and consist of the same blocks.

Conventionally, Interskol perforators consist of three blocks:

1. Impact unit reducer block.
2. Stator block.
3. Power supply and control circuit block.

Repair of Interskol perforators should begin with a study of the tool diagram, preparation of tools and a workplace.

The indicated blocks for the listed models have their own design features.

For convenience, we will divide the presented perforators into groups.

1. In the first group we will include perforators Interskol P-18, P-22, P-24, P-26, P-30.
2. In the second group, we will consider the disassembly of Interskol P-600 and P710 perforators.

Let's start with the differences in the design of the keyless chuck attachment.

The principle of disassembling keyless chucks is practically the same for all rotary hammers.

Interskol rock drills use a keyless chuck type SDS-plus. To work with the Interskol perforator, it is necessary to use a tool with an SDS-plus shank.

Dismantling the keyless chuck, consider the example of the Interskol P-26 / 800ER perforator.

Having installed the perforator on the back of the handle, it is necessary to remove the protective sleeve (pos. 1), remove the washer (pos. 2) and take out the locking ring (pos. 3).

Then the washer (pos. 4) and the retaining ring (pos. 5) are removed. At the next stage, the push sleeve, pos. 6, is removed.

To release the locking ball, pos. 8, press the special washer, pos. 9.Remove the ball, take out the conical spring, pos. 10.

The design of the keyless chuck of the Interskol P-30 / 900ER perforator contains fewer parts. But the disassembly procedure remains the same.

Keyless chucks for Interskol P-600ER and P-710ER perforators are practically the same and are disassembled in an identical sequence.

Keyless chuck perforator Intersol P-30 / 900ER

Details of the keyless chuck of Interskol P600ER and P710ER perforators are dismantled in the following sequence:

• a special ring is removed, pos. 1;
• the releasing sleeve pos. 2;
• the special ring pos. 3 is pressed and the ball pos. 4 is taken out;
• the spiral spring is removed, pos. 5.

For all Interskol rotary hammers, to remove the gear housing, you must first remove the mode switch.

Having tilted the perforator to the side, turn the mode knob pos.28 counterclockwise until it stops while pressing the button pos.26. Remove the handle from the punch body.

Never switch the mode knob while the rock drill is running.

Most of the differences are in the design of the striking mechanism.

The striking mechanism consists of several units:

• percussion barrel;
• intermediate shaft;
• strikers and drummers;
• a piston sleeve;
• friction bearing.

The percussion mechanism in Interskol perforators works on the same principle. The differences are in design features.

In the Interskol P-26 / 800ER perforator, the percussion mechanism consists of the following units:

• instrument receiver;
• barrel pressing unit;
• trunk;
• intermediate shaft;
• strikers, drummers, industrial mass.

The tool receiver, pos. 12, is disassembled after removing the keyless chuck parts from it.

At the first stage, four rollers, pos. 11, are carefully removed. Then the receiver is removed from the body, pos. 18, in which the needle bearing, pos. 20, is inserted.

In the needle bearing, the barrel pos. 36 is attached.

Remove the tool receiver from the barrel.

From the tool receiver it is necessary to remove the industrial mass pos. 16, the bushing pos. 15, the collar pos. 14 and the rubber sealing ring pos. 13.

The stem of pos. 36 is removed from the inner casing of pos. 18 after the gear housing is separated from the stator casing. To do this, unscrew the four screws pos. 30 from the gearbox housing.

Then unscrew the three screws, pos. 85, on the handle, pos. 86. Having removed the handle, turn the body of the brush holder, pos. 81. until the moment when it can be pulled out of the case.

Now the gearbox housing and the stator housing can be easily separated using a screwdriver, which pushes one of them at the docking point.

The barrel can be easily removed from the box pos. 53 (inner body).

On the outer diameter of the barrel put on: spur gear pos. 35, spring pos. 33, washer pos. 32 and retaining ring pos. 31.

In the barrel cavity there is a catcher body pos. 40, firing pin 45.

Dismantling the safety catcher pos. 40 consists in separating from it the shock absorber pos. 41, the striker catcher pos. 42, the safety catcher cover pos. 43 and the retaining ring pos. 44.

In the piston, pos. 47, a firing pin pos. 45 is inserted, which must be removed.

From the striker, pos. 45, the O-ring, pos. 46, is removed.

From the ears of the piston, pos. 47, it is necessary to separate the pin, pos. 48, and remove the two rings, pos. 49.

To disassemble the intermediate shaft pos. 57, you need to pull it out of the inner case.
From the shaft, pos. 58, remove the switch leash, pos. 55, the spring, pos. 56.

On the other hand: remove the support bush pos.65, spring support pos.64, spring pos.63, combined toothed wheel pos.62.

Intermediate shaft perforator Interskol P-26 / 800ER Spare parts catalog of intermediate shaft perforator Interskol P-26 / 800ER

The design of the percussion mechanism and the order of disassembly for the Interskol 710ЭР perforator is somewhat different from the perforators of other models.

The main differences are in the design of the intermediate shaft, the barrel of the percussion mechanism and the mode switch.

Diagram of the percussion mechanism and the intermediate shaft of the Interskol P710ER perforator

The Interskol 710ER perforator is a rotary percussion machine. Consists of an electric drive and an actuator. A collector motor is used as an electric drive. The actuator is a combination of a compression-vacuum type percussion mechanism and a rotary mechanism. The reciprocating motion is transmitted by a rolling bearing.

The diagram shows the procedure for disassembling the barrel pos. 15 (indicated by a red arrow), the composition of strikers and strikers (indicated by a blue arrow). The green arrow indicates the details of the mode switch.

The intermediate shaft consists of a shaft pos. 47 and parts mounted on it. It is easy to disassemble, according to the attached diagram, does not require special knowledge.

The electrical part of the Interskol rock drill consists of three main parts:

• rotor;
• stator;
• control circuits with carbon brushes.

The procedure for disassembling the electrical part of all models of Interskol perforators is practically the same.

Electrical diagram of the Interskol P-26 / 800ER perforator

In the previous steps, we split the casing into two: the gear casing and the stator casing.

To disassemble the stator pos. 74, it is necessary to pull out the protective diaphragm pos. 72 from the housing pos. 77, which covers the stator from dirt and dust.

Unscrew the two screws, pos. 73, and pull out the stator, pos. 74. To facilitate the removal process, it is enough to knock on the end of the stator cover with a wooden hammer or block.

Terminal strips, pos. 75, can be removed from the stator. This is done in order to check the quality of the contacts from the stator to the brush holder.

The rotor is disassembled in the case when it is necessary to replace the collector, bearings, rewind the windings.

It is possible to separate the rotor from the hammer assembly by releasing two screws, pos. 68, and removing the shield, pos. 67.

From the rotor, pos. 69, it is necessary to remove the bearings pos. 66, 70, the damping sleeve pos. 71. The bearings can be easily removed using a puller.

The basis for controlling the Interskol perforator is a switch pos.87 and a reverse lock pos.90. Using the combined button, the perforator can set the speed of the electric motor.

To get the brushes pos. 83, it is necessary to remove the brush holder pos. 81. It can be removed by turning it counterclockwise by 90º. Having released the brush holder, it is easy to get the carbon brushes.

The scheme of Interskol P710ER and P600ER perforators has its own characteristics:

• there is no combined brush holder;
• a different type of switch is used.

Everything! Perforator Interskol disassembled. Read the repair instructions and how to assemble and lubricate the hammer drill.

Perforators Interskol, according to statistics, are reliable tools. Failures are recorded much less often than in the more popular Makita, Bosch, Hitachi models.

The main rule: choose a model that is designed for loads and is designed to perform the planned work.

The use of perforators for their intended purpose in accordance with the requirements for operation allows you to work with Interskol perforators for a long time.

But, like any tool, various malfunctions appear in the punchers that will require you to repair the puncher yourself, especially if it is no longer under warranty.

In order to repair Interskol perforators, to eliminate malfunctions, it is necessary to carefully study the device of the tool, its diagram, lubrication cards.
Any repair of the Interskol perforator begins with its disassembly in more detail.

Interskol rock drills are highly maintainable, simple and reliable.

Do-it-yourself Interskol perforator repair can be performed by any user who knows how to hold a screwdriver, a hammer and who is versed in electrical engineering at the high school level.

All malfunctions occurring in Interskol perforators are conventionally divided into three groups:

• Mechanical breakdown of the striking mechanism;
• Destruction of the mode switch;
• Malfunction of the electrical part of the hammer drill.

Let's consider all the malfunctions using the Interskol P-26 / 800ER perforator as an example.

The first group of malfunctions includes breakdowns associated with the failure of parts of the percussion mechanism.

This group of faults is manifested in the fact that during operation the hammer drill drills, but cannot hammer.

The weakening of the impact force occurs gradually. As the rubber rings wear out, air escapes in the pneumatic shock-generating system. The force of the blow weakens, the blow becomes hard. In addition to the loss of pneumatic properties, the destruction of strikers, strikers, press masses occurs.

A set of rubber sealing rings for the Interskol perforator

Repair of the Interskol perforator when the O-rings are worn out consists in replacing them with new ones.

The installation of new rubber rings is carried out at any disassembly of the perforator with the obligatory application of lubrication of the O-rings with lubricants inert to rubber products. Such greases include the domestic grease of the Tsiatim-224 type, produced in accordance with GOST 9433-80.

The rubber O-ring is lubricated with a thin layer of Tsiatim-224 grease and put on the desired part, previously washed from the old grease in a solution of a mixture of kerosene and gasoline.

If the rubber O-rings are very worn out and if they are not replaced in time, the press mass, pos. 16, the barrel, pos. 36, the body of the catcher, pos. 40, and the striker, pos. 45, are destroyed. From the impact on the parts, work hardening, cracks, curvatures, jamming appear.

Malfunctions are eliminated by replacing parts with new ones with the obligatory change of seals.

Details of the percussion block perforator Interskol P-26 / 800ER

The destruction of the piston pos. 47 is of two types:

• The piston skirt collapses;
• The ears of the installation of the finger, pos. 48, are broken off.

Repair of the Interskol P-26 / 800ER perforator and its destroyed piston is performed by replacing the piston with a new one. When purchasing a piston, carefully check the roughness of the inner surface of the piston. It should be finished to a mirror finish.

Barrel failure pos. 36 does not appear often. The main reason is scratches on the inner surface when strikers, strikers, industrial mass fail.

If the depth of the scratches is not large, then the scratches can be removed by grinding. With a large depth of scratches, it is impossible to ensure tightness, and this affects the operation of the hammer drill in the "Impact" mode.

The shock impulse is created not only by the pneumatic system of the percussion mechanism, but also by converting the rotary motion into reciprocating motion due to the operation of the rolling bearing pos.60. There are cases of destruction of the bearing race.

If the rolling bearing is destroyed, the repair of the Interskol P-26 / 800ER perforator consists in a complete replacement of the part.

Violation of the transfer of torque to reciprocating can be interrupted due to slipping of the splines of the gear combined gear wheel pos. 62 in the splines of the rolling bearing pos. 60.

The malfunction is eliminated by correcting the tooth profile with a round file.

The disappearance of the impact mode is manifested when the mode switch is not working properly. Moving the mode switch knob does not move the switch leash, pos. 55.

The breakage is eliminated by correcting the assembly of the intermediate gear shaft pos. 58.

A group of faults in which hammer hammer, but does not drill.

Loss of drilling during a running impact is manifested when the gears, pos. 35, are turned on the barrel shaft pos. 36.

The gear is fixed on the barrel by three rollers pos. 37. And to keep it securely, the gear is pressed down by the spring pos. 33, which is fixed through the washer pos. 32 with the retaining ring pos. 31.

The malfunction appears due to the weakening of the pressure spring force, the falling out of the rollers, the destruction of the cam sleeve pos. 38.

Do-it-yourself repair of the Interskol P-26 / 800ER perforator consists in restoring all parts to the required position or replacing those that have failed.

The intermediate shaft in the hammer drill serves to transmit rotational and reciprocating impulses.

If any part installed on the intermediate shaft starts to rotate due to breakdowns, the hammer drill stops drilling.

Let's consider the principle of operation of the intermediate shaft of the Interskol P-18 / 450ER perforator.

Rotation is transmitted to the shaft by means of gear pos. 46, which is turned by the rotary hammer rotor. The gear is put on the shaft, pos. 43, where the cam coupling half, pos. 44, and the rolling bearing, pos. 45, are attached.

The impact mode is switched on by moving the switch bar, pos. 55, which disengages the rolling bearing from the cam half-coupling, pos. 44.

At the intermediate shaft of the Interskol P-26 / 800ER perforator, a combined gear wheel pos. 62 can be rotated.

The fact is that the wheel rotates due to the engagement of the tooth in the clutch of the drunken bearing. Rotation can occur due to the weakening of the spring pos. 63 and the wear of the tooth profile, both the gear and the clutch.

The malfunction is eliminated by restoring the tooth profile in the combined gear, in a drunk bearing.

The design of the intermediate shaft of the Interskol P600ER perforator is distinguished by the presence of a common shaft pos. 39.

Blade shaft perforator Interskol P600ER

Slipping of the gear wheel pos. 45 on the shaft can occur due to the weakening of the pressure spring pos. 38 and wear of the tooth in the connector pos. 40, which acts as a clutch.

Sometimes a malfunction occurs, which manifests itself in the impossibility of fixing the working body in the keyless chuck.

Interskol perforators are equipped with two types of cartridges: SDS-plus and SDS-max.

Clamping of the shanks of the working tool is provided by their special design.

Failure of the clamping device occurs due to wear of the locking ball.

Repair of the Interskol perforator, and specifically its keyless chuck, consists in replacing the balls and lubricating the drill shanks with special grease. It is recommended to use a specially formulated ointment as a lubricant for the drill shanks.

Interskol perforators are equipped with mode switches of various designs. And this is no accident.

Often, users switch the hammer operation mode without stopping the tool. And this is the main reason for the breakdown of the mode switch in rotary hammers.

The mode switch of Interskol perforators includes a different number of parts.

The mode switch of the Interskol P-18 / 450ER perforator is distinguished by a certain complexity.

Punch mode switch Interskol P-18 / 450ER

Mode switching is carried out by transferring the cam coupling half pos. 44 out of engagement with the pinion shaft pos. 43.

The translation is carried out using the mode switching bracket, pos. 52, the switch bar, pos. 55, and the switch knob, pos. 16.

Malfunctions are manifested in the impossibility of transferring the switch to the desired mode.

The malfunction is eliminated by replacing the spring pos. 48, aligning or replacing bent parts.

The complex design of the mode switch of the Interskol P-18 / 450ER perforator forced the developers to design a new scheme and implement it in the Interskol P-26 / 800ER perforator.

Mode switch perforator Interskol P-26 / 800ER

Modes are switched by means of the switch leash, pos. 55, the spring, pos. 56, and the switch knob, pos. 28.

The design uses the smallest number of parts, which increases the reliability and performance of the Interskol P-28 / 800ER perforator.

In the perforator Interskol P600ER, a slightly different design of the mode switch is used.

Mode switch perforator Interskol P-600ER

Modes are switched by removing the clutch (pos. 40) from the rolling bearing (pos. 41).

The electrical part of Interskol rock drills is highly reliable and practically does not cause trouble for the user.

The main thing is to timely monitor the wear of the carbon electric brushes.

You should be aware that when the carbon electric brushes are worn down to a length of less than 8 mm, the brushes must be replaced.

Replacing carbon brushes is not difficult and can be done by any user.

The cover of the hand of the case is removed, the brush holder is released in those designs in which the electric brushes are provided and taken out.

For example, consider replacing the electric brushes in the Interskol P-30 / 900ER perforator.

Carbon brushes pos. 72 are installed in the brush holder pos. 73. to get the brushes, you need to remove the handle-cover pos. 78. turn the brush holder 45 degrees and remove it. By releasing the springs of pos. 71, you can easily get out the carbon brushes.

The stator pos.66, the rotor pos.62 fail very rarely.

For those who wish to repair the stator or rotor with their own hands, the answer is here.

The rest of the parts, such as the buttons for turning off position 74 of the tool, capacitors of position 75, chokes of position 76 fail very rarely and their replacement does not cause any particular difficulties.

We examined the main malfunctions of Interskol perforators. If you have materials about other malfunctions, write to us.
Conclusions:

• repair of the Interskol perforator is not a difficult task and can be performed by any user who is familiar with the instructions for disassembly and assembly;
• timely replacement of O-rings prevents the appearance of the main number of incorrigibles;
• timely replaced carbon brushes allow to operate Interskol perforators almost indefinitely