Chapter 3 OPERATOR MAINTENANCE INSTRUCTIONS

Figure 3-1. Inspecting the Breather and Breather Tube

TM-9-6115-464-12 Wrench Impact Hydraulic Model MV-12-140T Manual
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ARMY TM 9-6115-464-12 AIR FORCE TO 35C2-3-445-1 NAVY NAVFAC P-8-624-12 Chapter 3 OPERATOR MAINTENANCE INSTRUCTIONS Section I. LUBRICATION INSTRUCTIONS 3-1 TOOLS AND EQUIPMENT (Not Applicable to Air Force.) The tools required to perform operator and unit maintenance on the generator set are listed in Appendix B of this manual. 3-2 GENERAL LUBRICATION INFORMATION. a. This paragraph contains lubrication instructions which are supplemental to, and not specifically covered in the Lubrication Order. b. Refer to Lubrication Order LO 9-6115-464-12 for lubrication instructions. CAUTION The dipstick is marked to indicate that the crankcase oil level may be checked and oil added while the engine is running or stopped. Always make sure the correct side of the dipstick is checked. When checking oil with en- gine running, remove oil filler cap. Equipment damage could result if cau- tion is not observed. c. When changing the engine crankcase oil, never fill the crankcase above the FULL mark on the dipstick. Do not allow the oil level to fall below the ADD mark on the dipstick. Service the oil filter element each time that the crankcase oil is changed. d. A seal in the dipstick cap prevents oil from leaking from the crankcase and foreign material from entering. Keep the dipstick firmly seated on the adapter tube at all times. e. Keep the crankcase breather tube open at all times to prevent pressure build-up in the engine crankcase which will cause oil leakage from the crankshaft seals. Section Il. OPERATOR’S MAINTENANCE INSTRUCTIONS 3-3 GENERAL. The instructions in this section are published for the information and guidance of personnel op- erating the generator set. Deficiencies noted during inspection which are beyond the maintenance scope of the operator shall be reported to higher level maintenance. 3-4 BATTERIES (Figure 1-4). a. Inspection. (1) Inspect batteries for cracked or broken cases, corrosion on terminal posts, damaged or frayed cables and loose connections. (2) Slide battery tray out from compartment. (3) Check electrolyte level at eight hour intervals. More often under high temperature conditions. b. Service. (1) Remove corrosion from battery terminals and apply a light coat of grease. (2) Maintain electrolyte level to slots in filler wells, by filling with distilled water. 3-5 SLAVE RECEPTACLES (Figure 1-4). Inspect the slave receptacles for loose mounting, loose connec- tions, loose or damaged weather covers and other visible damage. 3-6 BREATHER TUBE, EXHAUST PIPE AND MUFFLER (Figure 3-1 and Figure 3-2). a. Inspect breather tube for cracks, breaks, insecure mounting and dogging. b. Inspect exhaust pipe and muffIer for insecure mounting, cracks, and obstructions. 3-7 CONVENIENCE RECEPTACLES AND CIRCUIT BREAKER (Figure 1-5). inspect convenience recep- tacles and circuit breaker for insecure mounting, cracks, loose connections, damaged leads and other visible damage. 3-1

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