Hitachi G 12SA3, Технические данные и руководство по обслуживанию

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(6) When replacing the Gear Cover Ass'y [4] <4> , lubricate the needle bearing with mixed oil.
Mixed oil: Mixture of Hitachi power tool grease No. 2 (Unilube No. 00) and turbine oil
Mixture ratio ... 1:1 (weight ratio) Volume ... 0.5 cc
Fig. 11
(5) Check that the spring end does not hold the pigtail when mounting the carbon brush. Do not catch the pigtail
in the tail cover when mounting the tail cover. (See Fig. 11.)
Pigtail
Spring end
8-3. Lubrication Points and Types of Lubricant
Pinion chamber of the Gear Cover Ass'y [4] <4> ............. Nippeco grease (SEP-3A) 15 g
Generously rub grease onto the gear and the
pinion.
Needle bearing ................................................................. Mixed oil 0.5 cc
Mixed oil: Mixture of Hitachi power tool grease No. 2
(Unilube No. 00) and turbine oil
Mixture ratio 1:1 (weight ratio)
8-4. Tightening Torque
Tapping Screws D4 [14] <14> [51] <57> ................................. 2.0 0.5 N
•
m (20 5 kgf
•
cm, 1.5 0.4 ft-lbs.)
Seal Lock Screws (W/Sp. Washer) M4 [18] <18> [21] <21> ... 1.8 0.4 N
•
m (18 4 kgf
•
cm, 1.3 0.3 ft-lbs.)
Tapping Screw D5 x 25 (Black) [1] <1> ................................... 2.9 0.5 N
•
m (30 5 kgf
•
cm, 2.2 0.4 ft-lbs.)
Seal Lock Screw (W/Sp. Washer) M5 x 16 [26] <26> ............. 3.4 0.7 N
•
m (35 7 kgf
•
cm, 2.5 0.5 ft-lbs.)
Nut M8 [5] <5> ......................................................................... 13.7 2.0 N
•
m (140 20 kgf
•
cm, 10.1 1.5 ft-lbs.)