Service Manual

3/LC ENGINE TROUBLESHOOTING WORKSHEET
Equipment Manufacturer: W
arranty Claim No.
Date of Purchase: Control No.
Customer Name: Hours Used:
Engine Model: Dealer Name:
Engine Type: Dealer Phone:
Engine Code S/N: Dealer Fax:
FUEL YES/GOOD NO/BAD FINDINGS
Sufficient fuel in tank Fill tank
Fuel shut off valve
Open fuel valve
Vent plugged Open vent cap or unplug vent hole
Faulty fuel pump/gas Check pressure & delivery output
Improper fuel/stale fuel Drain, flush tank & refill
Contaminated fuel/water dirt Drain, flush tank & refill
Kinked or clogged fuel line
Check fuel flow
Fuel solenoid not operational Clean or replace solenoid, check wire
Gas connections, gasket ground
Check valve clearance
Adjust
Check compression pressure. Compression test Cyl.#1 Cyl.#2 Cyl.#3
FINDINGS >
Leakdown test FINDINGS > Cyl.#1 Cyl.#2 Cyl.#3
COMBUSTION YES/GOOD NO/BAD
LUBRICATION YES/GOOD NO/BAD FINDINGS
Engine oil level Adjust as required
Oil condition Check viscosity/color
Oil pressure Check oil pressure at 3000 RPM
Oil condition Check for coolant in oil
Check fuel flow Does fuel flow from return line
Injector
Check pop-off press. & spray pattern
Injection Pump
12 V
olts to solenoid
Glow plugs
Check voltage at glow plugs
Fuel filter
White smoke can be caused by clogged fuel filter
DIESEL YES/GOOD NO/BAD FINDINGS