4-4. INTRODUCTION - Continued
Check transmission oil level. Take an oil sample for analysis. Top up, or drain and refill as required.
Check all external hydraulic lines for evidence of leakage. Tighten or replace all defective fittings.
Check pump oil level. Take an oil sample for analysis. Top up, or drain and refill the pump casing as
Check the pump primer gear is riding in drive pulley.
Drain water and foam tanks. Inspect interior of both tanks for foreign objects.
Close all drains.
Fill water, foam, and priming tank via top mount fills. Check there are no leaks.
Check reduction gear box oil level. Take an oil sample for analysis. Top up, or drain and refill as required.
Check all external suction and discharge connection caps are in place and secure. (Three on right hand
side of truck, four on left hand side and two at rear of truck).
Reel out both cross lay hoses, and hose reel fully and inspect for damage and correct installation. Reel up
Check engine, starter motor, and instrumentation wiring for proper connections and condition of wiring
insulation. Pay particular attention to the wiring harnesses as they pass through bulkheads or holes in the frame. Ensure
all rubber grommets are in place.
Check battery compartment and battery connection. Clean away any corrosion, neutralizing the acid with
baking soda solution. Paint any bare or rusty steel. Coat all battery connections with a petroleum jelly (Item 21,
Appendix E). Check tightness of battery connections.
Auxiliary Power Unit
Inspect auxiliary power unit, removing any seals plugs or tape used to seal air inlets and ports during
Check crankcase oil level and inspect oil on dipstick for cleanliness. Take an oil sample for analysis. Top
up, or drain and refill the crankcase as required.
Examine air cleaner element for dirty or restricted condition. Replace as required.
Inspect engine and all piping connections for evidence of leakage. Repair as required.
Check tension of all belt drives. Belts should be tight enough to allow 1/2 in. (12 mm) deflection midway
between the pulleys.