SECTION 3B. FAILURE ANALYSIS
3B-1
3B
GENERAL
PROBLEM PROBABLE CAUSE REMEDY
1. Engine cranks but a. Fuel tank empty. a. Check fuel level.
does not start.
b. Fuel petcock at filter closed. b. Open petcocks.
c. Air in fuel line. c. Purge air (Section 3D).
d. Electrical system malfunctioning. d. See Section 10.
e. Fuel filter dirty/clogged. e. Clean and/or replace filter
(Section 3D).
f. Faulty engine. f. See Engine Manufacturer’s
Service Manual.
2. Engine not running a. Dirty fuel filter. a. Clean and/or replace filter
smoothly. (Section 3D).
b. Faulty engine component. b. See Engine Manufacturer’s
Service Manual.
3. Engine dies down a. Throttle adjustment. a. Adjust (Section 3D).
under load.
b. Binding in governor linkage. b. Inspect/repair. See Engine
Manufacturer’s Service Manual.
c. Partially blocked fuel line or filter. c. Check fuel line and filter for
blockage.
d. Load heavier than engine can d. Increase engine throttle full open
handle. position.
Adjust maximum engine RPM
(Section 2C).
Reduce load.
4. Engine overheats. a. Radiator clogged. a. Clean out.
b. Radiator clean out trap door b. Close.
open.
c. Instruments faulty. c. See Section 2D.
d. Sending units faulty. d. See Section 10J.
To Next Page
Loading...
Need help?
General
