Check And Adjust The Engine Rpm - Genie TMZ-50/30 Service Manual

June 2005
800-610-4101
ActionRental.com
REV B
B-15
Check and Adjust
the Engine RPM
Maintaining the engine rpm at the proper setting for
both low and high idle is essential to good engine
performance and service life. The machine will not
operate properly if the rpm is incorrect and
continued use may cause component damage.
Honda GX340K1 Engine:
1 Remove the platform controls. Open the clamp
on the back of the platform controls and slide
the controls up and off of the platform.
2 Before serial number T5002-25: Connect an
rpm gauge to the engine.
3 Before serial number T5002-25: Start the
engine from the platform controls. Check the
engine rpm on the gauge. Refer to Section 2,
Specifications.
After serial number T5002-24: Start the
engine from the platform controls. Press and
hold the engine start button BN77 at the
platform controls, and check the engine rpm on
the diagnostic display at the side of the ground
controls. Refer to Section 2, Specifications.
Skip to step 5 if the low idle rpm is correct.
Part No. 65162
Section 3 • Scheduled Maintenance Procedures
CHECKLIST B PROCEDURES
4 Honda models: Locate the adjustment screw
on the carburetor and turn the adjustment
screw clockwise to increase the rpm or
counterclockwise to decrease the rpm, and
repeat this procedure beginning with step 3.
Hatz models: Loosen the low idle lock nut.
Turn the low idle adjustment screw clockwise to
increase the rpm or counterclockwise to
decrease the rpm. Tighten the low idle lock nut,
and repeat this procedure beginning with step
3.
a
b
c
d
Hatz 1B30 engine
a
b
c
d
TMZ-50/30
Honda GX340K1 engine
a high idle adjustment nut
b high rpm solenoid
c choke solenoid
d low idle adjustment screw
(not shown)
high rpm solenoid
high idle adjustment nut
low idle adjustment screw
low idle lock nut (not shown)
a
b
c
d
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