--- 18 ---
(5) Grease
Greasing locations
(a) Apply grease (Doubrex 251) to the following locations.
Spindle
[17]
: Cam groove, sliding section and engaged portion with the Anvil
[6]
Hammer
[8]
: Cam groove, sliding section and the click
Steel Balls D6.35
[7]
Steel Balls D3.97
[9]
Hammer Washer
[10]
Sliding section of the Spring Seat
[12]
Inner circumference of the metal in the Hammer Case Ass'y
[3]
(b) Apply grease (Nippeco SEP-3A) to the following locations.
Pinion tooth flanks of the Armature
[25]
Tooth flanks of the Ring Gear
[18]
Tooth flanks and inner circumference of the Needle Roller
[15]
and the Idle Gear Set
[17]
(6) Screw tightening torque
Seal Lock Hex. Socket Hd. Bolt M5 x 35
[2]
..................................................... 7.8 1.5 N.m (80 15 kgf
•
cm)
Tapping Screw (W/Flange) D4
[34] [49] [50] ....................................................
2.0 0.5 N.m (20 5 kgf
•
cm)
Brush Cap
[55] ..................................................................................................
1.0 N.m (10 kgf
•
cm)
Machine screw M3 (at the Switch
[36]
) ............................................................. 0.8 0.2 N.m (8 2 kgf
•
cm)
Hex. Hd. Tapping Screw D4 x 45
[27] ...............................................................
2.9 0.5 N.m (30 5 kgf
•
cm)
9-3. Insulation Tests
On completion of disassembly and repair, measure the insulation resistance and conduct a dielectric strength test.
Perform the insulation resistance and dielectric strength test between the plug pins and the outside metallic parts
such as the anvil.
Insulation resistance: 7 M
Ω
or more
Dielectric strength
2500 V/1 minute .... 110 V to 120 V
4000 V/1 minute .... 220 V to 240 V
9-4. No-load Current Value
After no-load operation for 30 minutes, the no-load current should be as follows.
110 V .... 2.5 A or lower
120 V .... 2.4 A or lower
220 V .... 1.2 A or lower
230 V .... 1.3 A or lower
240 V .... 1.2 A or lower
+ 0.5
0
+ 5
0
