ENGINE STALL TEST
ENGINE STALL TEST (Continued)
Repeat the preceding
Engine speed 1800-1950 rpm.
Engine power is
step, but operate
engine for 30 seconds.
Engine speed below 1800 rpm.
Power is below
Engine speed above 1950 rpm.
slipping or fuel
injection pump is out
a. If stall speed is normal (1800-1950 rpm),
(1) Investigate transmission clutches, brakes,
low performance is vehicle related, or
and vehicle suspension for being too tight.
vehicle may be operating under severe
Repair as required. Refer to pertinent
vehicle technical manual.
(2) Check vehicle performance on hard road:
if performance is satisfactory, limit
vehicle operation under severe conditions
to short periods of operation. Possible
engine damage may be prevented.
b. If stall speed is above normal (more than
(1) Investigate for transmission slippage.
1950 rpm), low performance is transmission
Refer to vehicle technical manual.
related and engine is over-powered.
(2) Replace fuel injection pump (WP 0115).
END OF WORK PACKAGE
WP 0041 00-2