
Maintenance Manual
March 2022
Annual Maintenance Procedures
128
S
®
Booms • Z
®
Booms
Part No. 1268489GT
6 Measure the distance between boom tubes
#2 and #3 using points (6) and (7) in the
illustration. The gap should be
1 in / 2.6 cm to 1.5 in /3.9 cm greater than
dimension "A".
Note: As an example, if the dimension "A" is
1.25 in / 3.2 cm, then the gap between boom tubes
#2 and #3 should be between 2.25 in / 5.7 cm and
2.75 in / 7.1 cm.
Result: The distance between boom tubes
#2 and #3 is 1 in / 2.6 cm to 1.5 in /3.9 cm
greater than dimension A. The boom tube is
in tolerance.
Result: The distance between boom tubes
#2 and #3 is less then 1 in / 2.6 cm or more
than 1.5 in / 3.8 cm greater than dimension
"A". The boom tubes need to be adjusted.
Refer to Repair Procedure in the appropriate
Service and Repair Manual for your machine,
How to Adjust the Boom Extend/Retract
Cables
.
SX-150 and SX-180 models:
Note: Properly adjusted extend/retract cables will
maintain a relationship of the gap between boom
tubes #2 and #3 and boom tubes #3 and #4.
1 Start the engine from the ground controls.
2 Fully raise the boom then extend the boom
approximately 15 ft / 4.6 m.
3 Fully retract the boom and lower to the
horizontal position.
4 Stop the engine.
5 Measure and record the distance between
boom tubes #1 and #2, measuring from the
points identified as (11) and (12) in the
illustration. This is dimension "A".
Summary of Contents for Genie Lift Guard S-40
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