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8-3. Lubrication
8-3-1. Application of lubricant
Apply Nippeco SEP-3A (Code No. 930035) to the following portions.
(1) Ratchet teeth of the Holder [10]
(2) Second gear teeth, ratchet teeth, metal contacting portion and spline portion of the Spindle and Gear Set [4]
(3) Gear teeth and ball bearing contacting portion of the Second Pinion [6]
(4) Pinion teeth of the Armature [12]
(5) Shift Arm [22] contacting portion of housing (A)
(6) Inner and outer circumferences of the O-ring (S-12) [29]
8-3-2. Filling with lubricant
After mounting the components in housing (A), position the second gear of the Spindle and Gear Set [4] toward
the Drill Chuck [3] and fill housing (A) with 65 to 70 g of Nippeco SEP-3A (Code No. 930035).
8-4. Tightening Torque
(1) Drill Chuck [3] ........................................................ 29.4 to 39.2 N•m (300 to 400 kgf•cm) (260 to 347 in-lbs)
(2) Flat Hd. Screw (A) (Left Hand) M6 x 25 [1] ........... 3.9 to 4.9 N•m (40 to 50 kgf•cm) (34.7 to 43.3 in-lbs)
(3) Tapping Screw (W/Flange) D4 x 20 (Black) [21] ... 1.5 to 2.5 N•m (15 to 25 kgf•cm) (13.1 to 21.7 in-lbs)
(4) Tapping Screw (W/Flange) D4 x 16 (Black) [35] ... 1.5 to 2.5 N•m (15 to 25 kgf•cm) (13.1 to 21.7 in-lbs)
(5) Machine Screw M3 x 6 for securing the Speed Control Switch (2P) [25]
.................................... 0.3 to 0.5 N•m (3 to 5 kgf•cm) (2.6 to 4.3 in-lbs)
8-5. Wiring Diagrams and Internal Wire Arrangements
Conduct wiring in accordance with the diagrams and arrangements illustrated below.
The symbols [1], [2], [3], [4], M1, M2, C1, C2, 1 and 2 in the diagrams correspond to switch terminal
figures.
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