Figure 4-47. Side shift roller chain, cylinder, and forks, removal and installation.
rough terrain forklift trucks are equipped
4-75. Hydraulic Lift Cylinder
with a filter contamination indicator
mounted on the top of the reservoir and in
Before commencing work on the
place of the former filter cover plate. The
hydraulic lift cylinder, use supports
purpose of the contamination indicator is
provided to block up mast. Personal
to signal when the main hydraulic oil
injury or death may result from a falling
filter is in "by-pass" and is no longer
Inspect the hydraulic lift cylinders for cracks,
a. Removal. Remove the contamination indicator
breaks, worn pins, and leaks. Report defective
as illustrated in figure 4-48.
cylinders to direct support maintenance.
b. Cleaning and Inspection.
4-76. Contamination Indicator
(1) Clean all metal parts.
(2) Inspect mounting hardware for damage or
The purpose of the contamination indicator is to
signal when the main hydraulic oil filter is in "by-
c. Repair. Repair all defective parts.
pass" and is no longer serviceable.
d. Installation. Install the contamination in-
dicator as illustrated in figure 4-48.
As the result of an engineering change,
the hydraulic reservoir on late model