ENGINE, EXHAUST AND COOLING SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
TEST OR INSPECTION
Engine Speed Unstable or
Surges at All Speeds.
DO NOT perform fuel system checks, inspections or maintenance while smok-
ing or near fire, flames or sparks. Fuel may ignite, causing damage to machine
and injury or death to personnel.
Hot oil or metal parts can cause severe burns. Wear insulated gloves, long
sleeves and eye protection when working with heated parts. Failure to follow
this warning may cause injury.
Compressed air used for cleaning or drying purposes, or for clearing restric-
tions, should never exceed 30 psi (207 kPa). Use protective equipment and exer-
cise caution to avoid injury to personnel.
1. Clean lines with compressed air or
3. Go to Test 2.
Inspect fuel lines and connections for
1. If a leak is at a connection, tighten.
leaks, obstructions and damage.
2. If a leak results from cracked, split or
damaged tubing, replace tubing (WP
3. If lines are OK, go to Test 3.
Inspect governor linkage for proper
If linkage does not operate properly or is
operation and adjustment.
not correctly adjusted, make necessary
adjustment (WP 0280 00).