D353 INDUSTRIAL & MARINE ENGINES Caterpillar


Enclosed Clutches

Usage:

(1) Adjustment of clutch lever pull:

Force at 21.3 in. (541.0 mm) from center of shaft (1L5547 and 2N7077 Clutches) ... 123 to 163 lb.(545 to 725 N)

Force at 21.3 in. (541.0 mm) from center of shaft (6L8509 and 2N6966 Clutches) ... 139 to 183 lb.(620 to 815 N)

Force at 27.3 in. (693.4 mm) from center of shaft (2L7163, 6L3704 and 2N7079 Clutches) ... 226 to 297 lb.(1005 to 1320 N)

(2) End clearance:

1L5547, 2N7077, 6L8509 and 2N6966 ... .006 to .010 in.(0.15 to 0.25 mm)

2L7163 and 2N7079 ... No adjustment

(3) Torque for hub nut ... 30 lb.ft.(40 N·m)

Then tighten:

1L5547 and 2N7077 ... 150 to 180°

6L8509 and 2N6966 ... 180 to 210°

2L7163, 6L3704 and 2N7079 ... 240 to 270°

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