TM 5-4930-244-14 TABLE 2-1.  OPERATOR PREVENTATIVE MAINTENANCE CHECKS AND SERVICES FOR: LUBRICATING AND SERVICING UNIT, MODEL PM92-133 Location Not Fully Item Item to Mission No. Interval Check/Service Procedure Capable if: 26 During Air Tank Inspect air tank (11) for leaks.  (Fig.  2-14.) Tank leaking. 27 During Transfer Pump Inspect transfer pump (1) for leaks. Transfer pump leaks or is (Figure 2-21.) inoperable. 28 During Air Regulators Check air regulator (1) for leaks and Regulator leaking, or proper gauge operation.  (Figure 2-22.) gauges inoperative or damaged. 29 During Low Pressure Check low pressure pumps (2) for leaks.   Pumps are leaking. Pumps 30 During High Pressure Check high pressure pump Pump is leaking. Pump (3) for leaks. 31 During Brake Check brake assemblies (3) for proper Brakes squeak, grind, or Assembly operation.  (Figure 2-23.) pull. 32 After Alternator Inspect alternator (2) for damage.  (Figure Alternator is cracked or 2-14.) hardware broken. 33 After Clutch Check clutch (14) for binding or damage. Clutch is damaged or binds. 34 After Diesel Engine Check diesel engine (12) oil and fill if Engine oil is empty or needed. low. 35 After Control Panel Inspect control panel (1) gauges. Gauges damaged. 36 After Fuel Tank Check fuel tank gauge (1) for fuel level. Fuel level is empty or Fill if needed. low. 37 After Diesel Engine Check engine air filter (13) for excessive Filter dirty, clogged, or Air Filter dirt or damage. damaged. 38 After Wheel & Tire Inspect wheel assembly (4) for bends or Wheel assembly has Assembly cracks.  (Figure 2-23.) cracks or bends. 39 After Trailer Wiring Inspect trailer wiring harness (16) for ex- Wires exposed, Harness posed, broken, corroded, or loose wires. damaged, or loose. 40 After Reel Cabinet Inspect reel cabinet (1) for smooth Drawers inoperable or operation of drawers.  (Figure 2-17.) missing. Inspect reel cabinet (1) for holes, dents, Cabinet leaks. leaks, or damage. 2-15