BEFORE OPERATIONS PMCS

Check engine oil level — must be between MIN and MAX on dipstick; use correct viscosity per temperature

Check coolant level in deaeration tank — must be at FULL COLD line; check for leaks at hoses and connections

Check power steering fluid level — must be at FULL COLD or FULL HOT mark on reservoir

Check brake fluid level in master cylinder — must be at MAX line; check for leaks at lines and fittings

Check transmission fluid level — must be between MIN and MAX (engine warm, running, in neutral)

Check transfer case fluid level — must be at fill plug level; check for leaks

Check front and rear axle differential fluid levels — must be at fill plug level

Check battery electrolyte level — must be 3/8 inch above plates; check terminals and cables for corrosion or damage

Check fuel level — fill to required level; inspect fuel tank, lines, and fittings for leaks

Check air reservoir pressure — must reach 100–120 PSI before driving; check for audible air leaks

Inspect all tires for proper inflation — 75 PSI on-road; check for cuts, bulges, or embedded objects

Check spare tire — properly mounted and inflated to 75 PSI

Check all lights — headlights (high/low), taillights, brake lights, turn signals, clearance lights, blackout lights

Check windshield wipers and washer fluid — blades must make full contact; reservoir filled

Check horn operation — must sound when activated

Check service brakes — air pressure must hold; pedal firm; no pulling or grabbing

Check parking brake — must hold vehicle on grade; releases fully when disengaged

Check air dryer — purge valve must exhaust moisture; no continuous air loss