--- 30 ---
(6) Check whether the direction of rotation of Anvil (B) [8] or Anvil (K) Ass'y <4> coincides with the directional
markings on the push-on side of the Pushing Button [31] <29>. When the Pushing Button [31] <29> is turned
to the (R) side, the direction of rotation of Anvil (B) [8] or Anvil (K) Ass'y <4> should be clockwise, as viewed
from behind.
(7) Lubrication
(a) ATTOLUB MS No. 2
Cam groove of the Spindle [15] <13>
Cam groove of the Hammer [10] <7>
Sliding section of the Hammer and the Spindle
8 mm Diameter hole of Anvil (B) [8] or Anvil (K) Ass'y [4]
Sliding section between Anvil (B) [8] or Anvil (K) Ass'y [4] and the metal
Two Steel Balls D5.556 [9] <6>
Pinion tooth flanks of the Motor [23] <21>
Tooth flanks of the Ring gear [18] <16>
Twenty-five Steel Balls D3.5 [7] <8>
(b) HITACHI MOTOR GREASE No. 29 (for WH 12DH only)
Steel Ball D3.5 [7]
Sliding section of Anvil (B) [8] and the Guide Sleeve [4]
(8) Screw tightening torque
Tapping Screw (with sp. washer) D4 x 30
• • • • • • • • • • • • • • • • • • • •
20 5 kgf
•
cm (1.96 0.49 N
•
m, 1.44 0.36 ft-lbs)
Tapping Screw (with flange) D4 x 20
• • • • • • • • • • • • • • • • • • • • • • • • • • •
20 5 kgf
•
cm (1.96 0.49 N
•
m, 1.44 0.36 ft-lbs)
S-Tight Screw D3.5 x 6
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
15 --- 20 kgf
•
cm (1.96 --- 2.61 N
•
m, 1.44 --- 1.92 ft-lbs)
Machine Screw M3 x 5
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
3 --- 4 kgf
•
cm (0.294 --- 0.392 N
•
m, 0.22 --- 0.29 ft-lbs)
10-2. Precautions in Disassembly and Reassembly of Battery Charger
Refer to the Technical Data and Service Manual for precautions in disassembly and reassembly of the Model
UC 14YF or UC 14YF2 Battery Charger.
