TM-9-2320-386-24-1-2 Page 522

TM-9-2320-386-24-1-2 Unit Maintenance Manual Part 2 for M44A3 Series Trucks

Page 522 of 636

INSTALLATION 1. Check second clutch running clearance: a. Position steel plate and second clutch piston removed from center support on arbor press. Ensure center support side of second clutch piston faces downward. b. Beginning with external-tanged clutch plate (3), alternately install three external-tanged clutch plates (3) and internal-splined clutch plates (4) on second clutch piston. c. Install second clutch backplate (1) and steel plate on internal-splined clutch plate (3). d. Apply a load of 980-1020 lb (4359-4537 N) to steel plate. Measure stack distance. Stack distance should be 1.9325-1.9685 in. (49.086-50.000 mm). Replace clutch plates (3) and (4) if stack distance is not within limits. e. Repeat steps a through d with new clutch plates (3) and (4) installed. The second clutch running clearance will be within limits when stack distance has reached the specified limits. 2. Align tang of second clutch backplate (1) with slot of transmission (5) and install second clutch backplate (1) in transmission (5). 3. Beginning with internal-splined clutch plate (4), alternately install three internal-splined clutch plates (4) and external-tanged clutch plates (3) on second clutch backplate (1). 4. Install snapring (2) in transmission (5). Ensure gap of snapring (2) is at the 12 o’clock position at top of transmission (5). 5. Install planetary gear unit (WP 0379 00). 0380 00-4 TM 9-2320-386-24-1-2 0380 00 SECOND CLUTCH MAINTENANCE (Contd)