8000 SRM 707
Maintenance Procedures Every 250 Hours or 6 Weeks
1.
IDLE SPEED SCREW
2.
IDLE MIXTURE SCREW
3.
IDLE CONTROL SCREW
4.
IDLE CONTROL ACTUATOR
5.
VACUUM HOSE CONNECTION
Figure 25. LPG Carburetor
4.
Check the idle control adjustment as follows:
a. Adjust idle speed and mixture as described
above.
b. Put transmission in NEUTRAL and discon-
nect vacuum hose from idle control actuator.
Adjust engine idle speed to 1370 to 1430 rpm
with idle control screw.
c.
Install vacuum hose and clamp to idle control
actuator.
d. Check idle speed. If idle speed is higher than
specifications, make adjustment at idle con-
trol screw.
CAUTION
The adjustment of the throttle cable must be
correct, or it can break during operation. The
accelerator pedal or the MONOTROL pedal
must reach the pedal stop (floor plate) by the
time the throttle plate in the carburetor is
fully open.
5.
Check that engine runs at its governed speed
when accelerator pedal or MONOTROL pedal
reaches floor plate. If necessary, adjust throttle
cable at bracket on engine. Loosen lock nuts and
move cable as necessary. Check that maximum
engine speed is within specifications shown in
the Maintenance Schedule.
Engine Speed, LPG Carburetor, GM 3.0L
(Impco)
1.
The engine must be at the normal operating tem-
perature. Connect a tachometer to engine.
2.
Turn idle speed screw until idle speed is within
specifications shown in the Maintenance Sched-
ule. See Figure 26.
3.
Adjusting the idle mixture screw will change en-
gine speed. Adjust idle mixture screw to obtain
maximum engine rpm. Adjust idle speed again
as described in Step 2.
1.
IDLE SPEED SCREW
2.
IDLE MIXTURE SCREW
3.
VACUUM HOSE CONNECTION
4.
IDLE CONTROL ACTUATOR
5.
IDLE CONTROL SCREW
Figure 26. GM 3.0L Engine LPG Carburetor
39
Содержание H177
Страница 1: ...PERIODIC MAINTENANCE S H40 65XM H177 D187 PART NO 1456991 8000 SRM 707...
Страница 6: ...THE QUALITY KEEPERS HYSTER APPROVED PARTS...
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