Lubrication Points And Types Of Lubricant; Tightening Torque - Hitachi G 12SA2 Technical Data And Service Manual

8-3. Lubrication Points and Types of Lubricant

Pinion chamber of Gear Cover Ass'y [4] <4> ........................ Nippeco grease (JF-375) 18 g
Needle bearing ...................................................................... Mixed oil 0.5 cc

8-4. Tightening Torque

Tapping Screws D4 [16] <16> [56] <55> [58] <57> [60] <59> ..... 2.0
Seal Lock Screws (W/SP. Washer) M4 [20] <20> [23] <23> ........ 1.8
Tapping Screw D5 x 25 [1] <1> .................................................... 2.9
Seal Lock Screw (W/SP. Washer) M5 x 16 [29] <29> .................. 3.4
Special Nut M7 [6] <6> ................................................................. 8.8
Generously rub grease onto the gear and pinion.
Mixed oil: Mixture of Hitachi power tool grease No. 2
(Unilube No. 00) and turbine oil
Mixture ratio 1:1 (weight ratio)
0.5 N•m (20 5 kgf•cm, 1.5
0.4 N•m (18 4 kgf•cm, 1.3
0.5 N•m (30 5 kgf•cm, 2.2
0.7 N•m (35 7 kgf•cm, 2.5
1.0 N•m
--- 10 ---
0.4 ft-lbs.)
0.3 ft-lbs.)
0.4 ft-lbs.)
0.5 ft-lbs.)
(90 10 kgf•cm, 6.3 0.7 ft-lbs.)