TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 636 of 953
6-3. FRONT PROPELLER SHAFT ASSEMBLY REPAIR This task covers: a. Disassembly c. Assembly b. Cleaning and Inspection INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Dust cap (Appendix G, Item 29) Grease (Appendix C, Item 22) Drycleaning solvent (Appendix C, Item 18) Manual References TM 9-2320-280-24P Equipment Condition Front propeller shaft assembly removed (para. 6-2). General Safety Instructions Cleaning will be done in a well-ventilated area and a fire extinguisher will be kept nearby when drycleaning solvent is used. TM 9-2320-280-20-2 6-6 Change 3 NOTE Prior to disassembly, mark slip yoke and coupling shaft for assembly. 1. Place slip yoke (2) in vise. 2. Pull coupling shaft (4) apart from slip yoke (2). 3. Pry dust cap (3) off slipyoke (2). Discard dust cap (3). WARNING Drycleaning solvent is flammable and will not be used near an open flame. A fire extinguisher will be kept nearby when the solvent is used. Use only in well-ventilated places. Failure to do this may result in injury to personnel and/or damage to equipment. CAUTION Do not allow drycleaning solvent to come into contact with U-joint. Damage to equipment will result. 1. Use drycleaning solvent to clean all metallic parts. 2. Inspect drive shaft (1), coupling shaft (4), and slip yoke (2) for cracks or dents. Replace if cracked or dented. 3. Inspect splined end of coupling shaft (4) and slip yoke (2) for damage. Replace either if damaged. 4. Inspect center bearing (5) for looseness, vibration damage, rubber separation from bearing surface, and abnormal wear. If damaged, replace coupling shaft (4). b. Cleaning and Inspection a. Disassembly