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Main Disassembly

Grip handle body (24) firmly in a vice (use leather or copper covered vice jaws).
Remove muffler retaining clip (10) from its groove in the cylinder (SK9 models only).
Insert three or four pieces of thin sheet steel approximately 8 mm wide, beneath the retaining lip of the 
muffler moulding (9) (small diameter end). These will allow the rubber retaining lip of the muffler to slide 
along over the groove in the cylinder and ease removal of the muffler.
Slide off muffler (9) over the cylinder exposing the cylinder flats.
Remove locking pin (7) from its hole in cylinder, the pin is provided with an M4 internal thread to assist 
removal.

Remove the handle from the vice, invert the pickhammer and grip the flats of the cylinder in the 
vice. Use a pipe about 1.5 Meters long positioned through the loop of the handle to first loosen 
and then completely unscrew the handle assembly from the cylinder and remove. –  

Warning – 

once the handle is unscrewed from the cylinder the piston and valve parts will be free to fall and  
could cause injury.

Handle Disassembly

Grip handle body (24) in leather or copper covered vice jaws and unscrew throttle valve plug (29) using a 
13 mm spanner.
Withdraw throttle spring (28), throttle ball (27) and throttle pin (32).
Remove the trigger (25) by pressing or drifting out trigger pin (26).
Unscrew quick release coupling (31) from inlet bushing (30).
The inlet bushing (30) can be removed if required though it is assembled into the handle using a high 
strength retainer and disassembly is not normally necessary. 

Cylinder Disassembly

Remove the spacing washer (6) and valve plate (5).
Slide off valve ring (4) from cylinder (1).
Allow piston (3) to slide out of the cylinder bore and be caught.
The nozzle (2) is pressed into the cylinder and retained with Loctite 601 – do not disassemble unless 
replacement is necessary.

ASSEMBLY OF THE SK9 AND SK13 PICKHAMMERS

General Instructions

Before assembly of the pickhammer, clean all parts thoroughly and lubricate surfaces with a thin film 
of recommended oil – (see lubrication).

Apply a thin film of O-ring lubricant to all O-rings before final assembly.

It   is   recommended   that   the   assembly   of   the   nozzle   (2)   be   carried   out   by   the   manufacturer   or 
authorised distributor.

The existence of a piston air cushion should be determined. Hold the cylinder vertically and allow the 
piston to drop down the bore small diameter first. An air cushion is present if the piston “bounces”, at 
the bottom of the cylinder and no metal to metal contact noise can be heard. If a cushion is not 
present contact your authorised Permon repair centre for advise.

Cylinder assembly

Grip the cylinder (1) vertically in a vice protected with leather or copper covered vice jaws.
Lubricate and insert the piston (3) small end first into the bore. Check for air cushion.
Lubricate and slide the valve ring (4) onto the cylinder and replace the valve plate (5).
Replace the spacing washer (6) on top of the valve plate.

Summary of Contents for SK 9-5

Page 1: ...Y OF THE EMPLOYER TO PLACE THE INFORMATION IN THIS MANUAL INTO THE HANDS OF THE OPERATOR FAILURE TO OBSERVE THE FOLLOWING WARNINGS COULD RESULT IN INJURY PERMON s r o tel 420 0 313 558145 Roztoky 420...

Page 2: ...this tool Tool accessories may continue to impact briefly after throttle is released Air powered tools can vibrate in use Vibration repetitive motions or uncomfortable positions may be harmful to your...

Page 3: ...to prevent accidental operation Do not operate the tool with broken or damaged parts Never start the tool when it is lying on the ground This tool is not designed for working in explosive atmospheres...

Page 4: ...fficiently If bites are too big the operator will try to pry with the tool This could break the chisel The tool is designed for demolition not prying Always use a pick for prying If bites are to small...

Page 5: ...ng 30 The inlet bushing 30 can be removed if required though it is assembled into the handle using a high strength retainer and disassembly is not normally necessary Cylinder Disassembly Remove the sp...

Page 6: ...ve in the cylinder SK9 models only Assembly of the fronthead Screw retainer models Replace the sealing ring 8 in its groove in the cylinder Inspect the chisel buffer 13 for wear and replace if necessa...

Page 7: ...2 hex x 82 Vibration Level m s2 13 32 m s2 13 32 m s2 13 32 m s2 Guarranteed Noise Level LWA 105 105 105 SK 13B SK 13D SK 13DZ Weight kg 12 5 12 5 13 5 Length mm 612 612 612 Width mm 236 236 236 Max W...

Page 8: ......

Page 9: ...0 Lock Ring 1 12 8042291 8042291 8042291 8042291 Retainer 1 13 273129 273129 273129 273129 Ring 1 14 8330041 8330041 Fronthead Assy 1 15 5132230 5132230 Fronthead 1 16 309331 309331 Screw 1 17 311326...

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