141
SJ1044 TH, SJ1044 THS, SJ1056 TH, SJ1056 THS, SJ1256 THS
230790ABA
250 Hour or Quarterly Routine Maintenance Section 5 – Procedures
6. Start the engine and raise the boom off the level
surface ensuring there is no upward force applied
to the boom.
7. With park brake applied, shut down engine and
remove key from ignition switch.
8. Measure the clearance between each side slide
pad & the boom at each section as follows:
▪
Place a bar against the side of the boom section
and pry the section sideways as far as possible.
▪
Measure the clearance between the side of
the boom and the upper and lower slide pads.
Clearance should not exceed 0.08 in. (2 mm).
▪
Repeat procedure for inner boom section(s).
Side Slide Pads
Figure 31 Side Slide Pads Clearance
9. Remove boom cover so that rear of the boom
sections is visible.
10. Start the engine and fully retract the boom so that
upper and side slide pads on each boom section
are visible. See figure below.
Upper Slide Pads Side Slide PadSide Slide Pad
Figure 32 Rear Upper and Side Slide Pads
(SJ1044 TH/THS)
Upper Slide Pads
Side Slide Pads
Side Slide Pads
Figure 33 Rear Upper and Side Slide Pads
(SJ1X56 TH/THS)
11. Lower the boom until the forks are resting on the
ground and an upward force is being applied to
the boom sections.
12. Shut off the engine and remove key.
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