Hitachi G 13SR, Технические данные и руководство по обслуживанию

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8-4. Precautions on Reassembly
1) Thoroughly coat the grease (Hitachi Motor Grease N.P.C. SEP-3A, Code No. 930035, is recommended) on the
gear teeth of the gear and pinion. Special attention must be given to ensure that the grease is applied properly
all the way to the base of each gear teeth.
Failure to do so could result in early wear and/or damage to the gear and pinion.
2) Liberally moisten the inner circumference of the felt packing with machine oil:
Failure to properly moisten the inner circumference of the felt packing could cause early wear and/or damage of
the ball bearing.
3) When replacing the gear cover assembly with a new one, apply mixed oil into the inner roller of the needle
bearing (metal).
Mixed oil: A mixture of Hitachi Power Tool Grease No. 2 (unilube No. 00, Code No. 939302) and turbine
oil is recommended.
Mixture ratio: 1:1 (Weight ratio)
Supply amount: 0.5 cc
8-5. Amount of Lubricant
•
Pinion chamber of Gear Cover Ass'y [4] (supply from inner cover side)
• • • • • • • • • • • • • • • • •
8 gr. of N.P.C. SEP-3A
grease (Code No. 930035)
Also, thoroughly apply grease on the gear teeth of the gear and pinion. (See Para. 8-4.)
•
Needle bearing (Metal)
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
Mixed oil 0.5 cc
Mixed oil: Hitachi Power Tool Grease No. 2 (Code No. 939302) and turbine oil.
Mixture ratio: 1:1 (Weight ratio)
8-6. Tightening Torque of Each Screw or Nut
•
Slotted Hd. Screw (Seal Lock) M4 [7]
and Seal Lock Screw (W/SP. Washer) M4 [18] [23]
• • • • • • • • • • •
1.8 0.5 N
•
m (18 4 kgf
•
cm, 1.3 0.3 ft-lbs.)
•
Tapping Screws D4 [11] [43] [46] [52]
• • • • • • • • • • • • • • • • • • • • • • • • • • • • •
2.0 0.5 N
•
m (20 5 kgf
•
cm, 1.5 0.4 ft-lbs.)
•
Tapping Screws D5 [1]
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
2.9 0.5 N
•
m (30 5 kgf
•
cm, 2.2 0.4 ft-lbs.)
•
Special Nut M7 [5]
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
6.4 1.0 N
•
m (65 10 kgf
•
cm, 4.7 0.7 ft-lbs.)
•
Flat Hd. Screw M4 [34]
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
0.6 N
•
m (6 kgf
•
cm, 0.4 ft-lbs.)
+ 0.2
0 + 0.3
0 + 3
0