Rpm Adjustment; Pump Coupler - Genie TMZ-50/30 Service Manual

June 2005
800-610-4101
ActionRental.com
REV B
6-1

RPM Adjustment

Refer to Maintenance Procedures, B-14
Check and Adjust the Engine RPM
6-2

Pump Coupler

The pump coupler connects the engine crankshaft
to the hydraulic pump.
How to
Remove the Pump Coupler
Do not damage the crankshaft key
or the rubber spacer when
disassembling the pump coupler.
1 Remove the fasteners securing the hydraulic
pump to the engine bell housing.
2 Pull the hydraulic pump assembly away from
the bell housing to access the pump coupler.
3 Locate the pump coupler set screw.
4 Loosen the set screw. Slide the pump coupler
off the pump shaft.
5 Remove the bell housing mounting fasteners.
Remove the bell housing from the engine.
6 Loosen the set screw on the engine side pump
coupler.
7 Slide the pump coupler off of the engine shaft.
Part No. 65162
How to
Install the Pump Coupler
Component damage hazard. Be
sure that the crankshaft key and
the rubber spacer are not
damaged prior to the installation of
the pump coupler assembly.
1 Align the engine side of the pump coupler over
the crankshaft key and slide it onto the
crankshaft.
2 Apply Loctite® removable thread sealant to the
engine side pump coupler set screw and
tighten. Torque to specification.
3 Install the bell housing mounting fasteners.
4 Install the hydraulic pump side coupler onto the
hydraulic pump shaft.
5 Apply Loctite® removable thread sealant to the
hydraulic side pump coupler set screw and
tighten. Torque to specification.
6 Install the pump coupler rubber spacer.
7 Install the hydraulic pump bell housing.
8 Tighten the hydraulic pump mounting fasteners.
Torque specification
Pump coupler set screw, dry
TMZ-50/30
Section 4 • Repair Procedures
Engines
15 ft-lbs
20.3 Nm
4 - 27