Lubricate The Machine - Genie GTH-636 Service Manual

June 2007
REV C
A-4

Lubricate the Machine

Note: Genie specifications require that this
procedure be performed every 8 hours or daily,
whichever comes first.
Greasing the specified locations is essential for
good machine performance and service life.
Operating the machine with little or no grease
may cause the machine to perform poorly and
continued use may cause component damage.
GTH-644, GTH-842 and GTH-844:
1 Fully extend the boom. Raise the boom as
needed.
2 Apply a thin layer of grease to the underside of
the number 3 boom tube where it makes
contact with the number 2 boom tube lower
wear pads. Refer to the illustration.
3 Apply a thin layer of grease to the underside of
the number 2 boom tube where it makes
contact with the number 1 boom tube lower
wear pads.
4 Lubricate the top and side boom tube wear
pads.
5 Return the boom to the stowed position.
Part No. 97487 GTH-636 • GTH-644 • GTH-842 • GTH-844 • GTH-1048 • GTH-1056
Section 3 • Scheduled Maintenance Procedures
CHECKLIST A PROCEDURES
a b c d
a fork frame pivot pin
b fork level cylinder rod-end pivot pin
c number 2 boom tube lower wear pads
d number 1 boom tube lower wear pads
e lift cylinder barrel-end pivot pin
f lift cylinder rod-end pivot pin
g boom pivot pin
6 Locate a grease fitting at one of the locations
shown in the illustration.
7 Pump grease into the fitting until the joint is
thoroughly lubricated.
8 Repeat this procedure, beginning with step 6,
for each remaining grease fitting shown in the
illustration.
Grease Specification
Chevron Ultra-duty grease, EP NLGI 2 (lithium based)
or equivalent
e f g
3 - 9