Page 2 - INSTRUCTIONS; – Forcing discs; Disassembly
2 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR SpecialTools Require – Forcing discs 61-10-0011 – Hex key 4 mm – Hex key 5 mm – Sleeve 61-10-0013 – Pin-type face spanner 61-10-0012 – Disassembly Removing the auxiliary handle 1 Remove handle (1) by turning it counter-clockwise. Disassembling the handle 1 Un...
Page 3 - Drive out nose piece latch bar with 3/8”
3 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Removing the spring ring 1 Remove both retainers (1). 2 Slightly spread spring ring (2) and pull it off the machine towards the front. Removing the nose piece as-sembly 1 Remove four screws (4) with an 6mm hex key and remove nose piece assembly (1) 2 Remove r...
Page 4 - Tap spline area of spindle assembly, do
4 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Combined drill/chisel hammer: Removingthe spindle 1 Drive out the complete spindle assembly with light taps on rear spindle spline end (1) with a plastic face hammer. ☞ Tap spline area of spindle assembly, do not strike piston assembly. Chisel hammer: Removin...
Page 7 - If armature fan requires removal, use; The chisel hammer does not have a
7 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Disassembling the armature 1 Remove three hex head screws (8) from bearing end plate (7) and pull complete ar-mature assembly (B) with bearing end plate (7) from gear box (1). 2 Remove o-ring (2) from gear box (1). 3 Insert pin-type face spanner (service tool...
Page 8 - The exposed plane surface serves only
8 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Removing the gear cover 1 Remove two screws (1) and remove gear cover (2). ☞ The exposed plane surface serves only for manufacturing the gear box and has no other function! Disassembling the electronic component 1 Remove four screws (1) from handle and remove...
Page 9 - Should the field be stuck, tap the motor
9 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Removing the anti-vibration mechanismand the field 1 Remove air deflector ring (5). 2 Remove screw (4). Remove the following parts of the anti-vibration mechanism from motor housing (8): – vibration spring cover (1)– spring (2)– vibration lever (3). ☞ Caution...
Page 10 - Maintenance; OR
10 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Maintenance General It is recommended that maintenance be performed on the machine at regular intervals or when the car-bon brushes reach end of life. Cleaning Clean all parts – with the exception of the electrical parts and clutch with cold cleaning agent. ...
Page 11 - Re
11 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Lubrication: Combined drill/chisel hammer (5340-20) Re
Page 13 - Sequence and torques of the screws:
13 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Sequence and torques of the screws: B A C D E F G H I J K L M N
Page 14 - Assembly; Install the following parts:
14 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Assembly Installing the anti-vibration mechanismand field 1 Install field (6) into motor housing (8) and secure it with two screws (7) (torque = 2 Nm / 18 in. lbs.). 2 Install the following parts of anti-vibration mechanism into motor housing (8): – vibratio...
Page 15 - The static slip of the clutch is pre-set. If
15 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Installing the gear box cover 1 Secure gear box cover (2) with two screws (1) onto the gear box (torque = 3 Nm / 27 in. lbs.). Combined drill/chisel hammer: Installing the clutch and crank assembly 1 Combined drill/chisel hammer: Place caged needle bearings ...
Page 16 - See illustration below:
16 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Assembling the armature 1 Press bearing (B) onto armature shaft and install bearing cup (C) into rear bearing bore of motor housing (not shown). 2 See illustration below: ☞ Refer to chart”A” below when removing or installing the armature fan. It is very impo...
Page 17 - Apply Blue loctite
17 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Installing the motor housing 1 Apply Blue loctite ® onto four screws (4). Install gear box and armature (5) into mo-tor housing (6) and tighten the four screws (4) cross-wise (torque = 13 Nm / 115 in. lbs.). 2 Install and connect carbon brushes (3) on both s...
Page 18 - Lubricate front of gear box per lubrica-
18 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Assembling the spindle 1 Install washer (E) and the back pressure o-ring (C) into spindle (F). ☞ Install thrust collar (B) in the right posi- tion: the chamfer of thrust collar (B) must face striker (8). 2 Install three o-rings (9) onto striker (8). 3 Combin...
Page 20 - engage into the spindle groove!
20 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Combined drill/chisel hammer: Installing the spindle 1 Install complete spindle assembly (1) into gear box (2) as far as it will go, aligning ex-ternal splines on spindle (1) with internal splines of previously installed spindle bev-el gear. ☞ Piston assembl...
Page 21 - The six screws must be tightened
21 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Installing thetop gear box cov-er 1 Install gasket (4) into gear box (6). Mind the right position! ☞ Gasket (4) is pre-formed and fits the groove of gear box (6) exactly! 2 Place felt (5) into the top gear box cover (3). Mind the right position! It serves to...
Page 22 - Apply Blue Loctite
22 PAGE 58-92-5300 d3 INSTRUCTIONS REPAIR Installing thenose piece as-sembly 1 Install o-ring (2) and seal ring (3) into the nose piece assembly (1). ☞ Install seal ring (3) into the right position: The sealing lips must face the outside! ☞ Seal ring (3) must be pressed flush to nose piece (1), othe...