12-83. 12-84. TM 9-2320-361-20 Section V. EARTH BORING AND POLESETTING TRUCK BODY MAINTENANCE PARA. TITLE PAGE NO. NO. 12-84. 12-85. 12-86. 12-87. 12-88. 12-89. 12-90. 12-91. 12-92. 12-93. 12-94. 12-95. 12-96. 12-97. 12-98. Cab Protector Replacement (M764) Horizontal Leveling Worm Drivechain Replacement Vertical Leveling Worm Drivechain Replacement Leveling Worm Cover and Drivechain Maintenance Hydraulic Oil Level Gage and Screen Replacement Earth Boring Machine Propeller Shaft Maintenance Hydraulic Pump Universal Joint Maintenance Outrigger Hydraulic Lines Replacement Earth Boring Machine Seat Frame & placement Earth Boring Machine Seat and Backrest Cushion Replacement Collapsible Cable Reel Disassembly Hydraulic Tank Replacement Operation Levers Maintenance Snatch Sheave Maintenance Snatch Sheave Replacement 12-132 12-136 12-138 12-140 12-143 12-144 12-146 12-148 12-154 12-155 12-156 12-158 12-160 12-162 12-164 This task covers: a. Cab Protector Removal c. Mounting Tubes Installation b. Mounting Tubes Removal d. Cab Protector Installation INITIAL SETUP: APPLICABLE MODELS M764 MATERIAL/PARTS Eight locknuts Four lockwashers Saddle webbing Adhesive (Appendix C, Item 3) PERSONNEL REQUIRED Two REFERENCES (TM) TM 9-2320-361-10 TM 9-2320-361-20P EQUIPMENT CONDITION • Parking brake set (TM 9-2320-361-10). • Raise derrick (TM 9-2320-361-10). GENERAL SAFETY INSTRUCTIONS All personnel must stand clear during lifting operations. 12-132