R
epair
P 1
6
/
19
Loosen 4x18 Tapping screw and then
lever up Handle cover with a slotted
screwdriver. (
Fig. 46
)
Main switch can be replaced. (
Fig. 47
)
[3] DISASSEMBLY/ASSEMBLY
[3]-6. Handle section
Fig. 46
Fig. 47
DISASSEMBLING
4x18
Tapping screw
Slotted screwdriver
Handle cover
Main switch
[3]-7. Fastening Torque
Fasten the bolts to the fastening torque listed in
Fig. 48
.
Item No.
Fastening torque
Q'ty
Description
4
7.8 - 12.0 N
∙
m
M6x30 Hex socket head bolt
M5x25 Tapping screw
75
12
114
1
1
1.8 - 3.7 N
∙
m
3.0 - 3.5 N
∙
m
M6 Hex nut
Fig. 49
114
M6 Hex nut
12 M6x30 Hex socket
head bolt (4 pcs.)
75 M2x25 Tapping
screw (4 pcs.)
Gear housing complete
Barrel complete
[4] Maintenance
When replacing Carbon brushes, it is recommended to do replace the following parts (
Fig. 49
) and apply appropriate
amount of lubricants (
Figs. 1 to 3
) at the same time for longer service life of the machine.
1 Tool holder cap
22 O ring 20
23 Fluoride ring 25 on Impact bolt
24 O ring 20
31 O ring 22 on Striker
48 O ring 22 on Piston
Fig. 48
Fan 76 (Armature Fan)
Motor housing
Crank housing complete
(Ring 17)
(Rubber ring 18)
(Slide sleeve)
(Impact bolt)
(Striker)
(Piston)
31 48
23 Fluoride ring 25
22 23
24 25
1
