28
Tightening torque
Apply special grease to the lip portion of the oil seal in the Gear Cover
[7]
, inner circumference of the
needle bearing, clutch claws of the Second Gear
[17]
and the Cylinder
[19]
, both end surfaces of the
Thrust Washer
[26]
, inner circumference of the needle bearing in the Inner Cover Ass’y
[33]
, O-ring (B)
[21]
of the Second Hammer
[20]
, O-ring (P-15)
[22]
, O-ring (A)
[25]
of the Striker
[24]
, inner and outer
circumference of the Piston
[29]
, Washer (A)
[30
], claw portion of the Clutch
[37]
, claw portion, inner
circumference and arm portion of the Reciprocating Bearing
[38]
and O-ring (1AP-10)
[13]
of the Lever
[12]
.
Fill 30 g of special grease in the Gear Cover
[7]
and 10 g in the groove of the Inner Cover Ass’y
[33]
.
Apply Hitachi Motor Grease No. 29 to the Steel Ball D7.0
[18]
.
Apply 0.2 g of Hitachi Motor Grease No. 29 to the sliding surfaces of Housing (A).(B) Set
[59]
and Lever
(B)
[62]
.
Tapping Screw (W/Flange) D4 x 30 (Black)
[8]
------------------------------- 2.0 ± 0.5 N
٠
m (20 ± 5 kgf
٠
cm)
Tapping Screw (W/Flange) D4 x 20 (Black)
[58]
----------------------------- 2.0 ± 0.5 N
٠
m (20 ± 5 kgf
٠
cm)
Tapping Screw (W/Flange) D4 x 16 (Black)
[55]
----------------------------- 2.0 ± 0.5 N
٠
m (20 ± 5 kgf
٠
cm)
Machine Screw M4 x 5
[15]
------------------------------------------------------- 0.6 ± 0.2 N
٠
m (6 ± 2 kgf
٠
cm)
Brush Cap
[57]
----------------------------------------------------------------------- 1.0 ± 0.5 N
٠
m (10 ± 5 kgf
٠
cm)
Application of lubricant
