TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 968 of 1275
SECTION Ill. FINAL DRIVES AND UNIVERSAL JOINTS 10-21 FINAL DRIVE SPROCKETS AND HUBS This task covers: a. Removal b. Installation T OO I S Lubricating oil (item 49, Appx D) General mechanic’s tool kit (item 64, Appx H) Socket wrench set (item 56, Appx H) Personel Required Torque multiplier (item 37, Appx H) Two Torque wrench (item 71, Appx H) Torque wrench (item 72, Appx H) Track disconnected (para 10-6 or 10-7) Materials/Parts GAA grease (item 27, AppX D) a. Removal NOTE Hub with inner and outer sprockets attached may be removed as an assembly by removing screws (1). 1 Remove 10 nuts (2) and 10 screws (3) from outer sprocket (4). Lift off sprocket. Hub is very heavy. At least two personnel are required to remove. 2 3 Remove eight screws (1) from hub (5). Insert two screws in hub pilot holes. Tighten screws to pull hub away from drive assembly (6). Lift off hub and inner sprocket (7) from drive assembly. Remove 10 nuts (8) and 10 screws (9) holding hub (5) to inner sprocket (7). Lift off hub. 10-51 TM 9-2350-311-20-1 Equipment Conditions WARNING