Generac Power Systems MAC 750F - Operation of the MAC 750 F Flameless Air Heater; Pre-Start Engine Checklist and Procedures; How to Check Engine Oil Level; How to Check Hydraulic Oil Level

Owner’s Manual for Flameless Air Heater 9
Operation
Section 3 Operation
Before Starting Engine
Pre-start Checklist
•
Remove all flammable materials and fire hazards
within 5 feet of heater
• Keep heater a minimum of 5 feet from structures or
barricades
• Verify unit is not leaking fluids: check inside and
outside the unit for leaking fuel, engine oil, HTF/
hydraulic oil, and engine coolant
• Verify the following are clear of debris and
obstructions:
– Engine air intake
– Engine exhaust stack
– Outlets and fan intakes
• Verify air duct hose is securely fastened to outlet
duct assembly
• Check fuel, engine oil, and engine coolant levels
• Verify unit is properly secure with jacks deployed, if
applicable, wheels chocked and level
• Check alternator drive belt for tension and wear
Engine Oil Check
1. Remove dipstick from crankcase and wipe it clean.
2. Insert dipstick fully and remove slowly.
3. Oil level must be between the FULL and ADD
marks on the dipstick.
Hydraulic Oil Check
1. On the hydraulic fluid reservoir tank is a gauge
showing hydraulic oil level. Verify level is between
MIN and MAX.
Engine Coolant Check
1. Remove radiator fill cap.
2. Check coolant level and degrees of fouling.
• Coolant level should be approximately 10 mm
below the radiator core top
3. Install radiator cap securely.
Battery Check
1. Verify battery cable connections are not loose or
corroded.
2. Verify battery electrolyte level is sufficient. If
necessary, replenish with a commercially available
electrolyte, such as distilled water
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