Generac Power Systems MAC 950F, Руководство пользователя

Страница: 26 / 36

22 Owner’s Manual for Flameless Air Heater
Troubleshooting
Problem Cause Solution
Coolant Temperature Below
Normal
Defective thermostat(s)
Test and replace thermostats as
required
Defective temperature gauge or tempera-
ture sender Check gauge, sender, and connec-
tions
Coolant in Crankcase
Cylinder head gasket defective
Contact an IASD
Cylinder head or block cracked
Cylinder liner seals leaking
Pitted cylinder liners
Leaking oil cooler
Defective oil cooler O-rings
EGR cooler system leaking
Faulty coolant pump seal; weep hole
plugged; coolant leaking through bearing
Excessive Oil Consumption
Too low viscosity crankcase oil
Drain crankcase and refill with cor-
rect viscosity oil
Crankcase oil level too high Drain oil until oil level is correct
External oil leak(s)
Determine source of oil leak(s) and
repair as required
Restricted crankcase vent tube
Clean vent tube, verify that crank-
case oil level is not too high
Excessive oil pressure
Contact an IASD
Oil control rings not seated
Oil control rings worn or broken
Scored cylinder liners or pistons
Worn valve guides or stems
Defective turbocharger
Front and/or rear crankshaft oil seal faulty
Piston ring gaps not staggered
Insufficient piston ring tension
Piston rings sticking in ring grooves
Piston ring grooves excessively worn
Batteries Will Not Charge
Loose or corroded connections Clean and tighten connections
Sulfated or worn-out batteries Replace batteries
Stretched belt or defective belt tensioner Adjust belt tension or replace belts
Entire Electrical System
Does Not Function
Faulty battery connection Clean and tighten connections
Sulfated or worn-out batteries Replace batteries
Blown fuse Replace fuse