--- 15 ---
8-4. Lubrication
(1) Grease to be used: Motor Grease No. 29
(Code No. 930035)
• • •
100 g tube
(Code No. 930038)
• • •
2.5 kg can
(2) Apply Motor Grease No. 29 to the following portions.
Inside of the Gear Cover [2] (Apply 5 g of this grease to a new gear cover.)
Needle bearing in the Chuck Cover [21]
Tooth portion of the Gear [20]
Pinion portion of the Second Pinion [4]
Tooth portion of the First Gear [5]
Pinion portion of the Armature [10]
8-5. Tightening Torque
(1) Hex. Hd. Tapping Screw D4 x 70 [12]
• • • • • • • • • • • • • • • • • • • • • • • • • • • •
2.0 0.5 N
•
m (20 5 kgf
•
cm)
(2) Tapping Screw (W/Flange) D4 x 16 [36]
• • • • • • • • • • • • • • • • • • • • • • • •
2.0 0.5 N
•
m (20 5 kgf
•
cm)
(3) Tapping Screw (W/Flange) D4 x 20 [37]
• • • • • • • • • • • • • • • • • • • • • • • •
2.0 0.5 N
•
m (20 5 kgf
•
cm)
(4) Tapping Screw (W/Flange) D4 x 16 (Black) [41]
• • • • • • • • • • • •
2.0 0.5 N
•
m (20 5 kgf
•
cm)
(5) Tapping Screw D5 x 40 (Black) [1]
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
2.9 0.5 N
•
m (30 5 kgf
•
cm)
(6) Flat Fillister Hd. Screw M4 x 10 [17]
• • • • • • • • • • • • • • • • • • • • • • • • • • • • •
1.5 0.3 N
•
m (15 3 kgf
•
cm)
(7) Machine Screw M3.5 (for securing the Switch [46])
• • • • • • •
0.59 0.15 N
•
m (6 1.5 kgf
•
cm)
(8) Seal Lock Hex. Socket Hd. Bolt M3 x 12 [22]
• • • • • • • • • • • • • • • •
2.45 0.49 N
•
m (25 5 kgf
•
cm)
(9) Flat Hd. Screw (Left Hand) M5 x 15 [27]
• • • • • • • • • • • • • • • • • • • • • • •
3.4 0.7 N
•
m (35 7 kgf
•
cm)
(10) Drill Chuck 10TLRD [25]
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
24.5 to 29.4 N
•
m (250 to 300 kgf
•
cm)
8-6. Insulation Tests
On completion of disassembly after repair, measure the insulation resistance and conduct a dielectric
strength test.
Insulation resistance: 7 M
Ω
or more with DC 500 V Megohm Tester
Dielectric strength:
AC 4,000 V/1 minute, with no abnormalities
• • •
220 V --- 240 V
(and 110 V for U.K. products)
AC 2,500 V/1 minute, with no abnormalities
• • •
110 V --- 115 V
(except U.K. products)
8-7. No-load Current Value
After no-load operation for 30 minutes, the no-load current values should be as follows (dial setting "5"):
Voltage (V)
Current (A) max.
110
115
2.1
2.2
220
230
240
1.0
1.1
1.1
