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7.17 C
HECKING TIGHTNESS OF THE FASTENING SCREWS ON THE PIN RETAINERS AND THE LOCK NUTS
‑
Check that the fastening screws on the pin retainers and lock nuts are not loose.
‑
If they have become loose, tighten the bolts or the lock nuts, as specified in the para‑
graph “Pin locking bolts and nuts”.
7.18 C
HECKING WEAR ON THE EXTENSION ARM INTERNAL SLIDING RING
It is important to check the wear on the extension arm internal sli‑
ding ring secured to the end of the extension arm cylinder, obser‑
ving the schedule indicated in the Routine maintenance table.
If the wear on the radius of the ring exceeds 3 mm, it must be
replaced.
7.19 C
HECKING WEAR ON THE TELESCOPIC ARM SLIDES
‑
Visually check the play on the extension arms.
‑
If the play exceeds 3 mm, adjust the plastic registers by screwing them tighter until they
rest on the arm (top) or reach around 1 mm from the arm (bottom). Check correct con‑
tact and distances by sliding the arm out and back completely.
‑
The slides must be replaced, where necessary, by an authorised JLG workshop.
MAX
3mm
R
ING
IMPORTANTE
X17JR0420113
BOOM LIFT MODELS X17J
JLG
129
IMPORTANT
Summary of Contents for X17J
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Page 43: ...X17JR0420113 BOOM LIFT MODELS X17J JLG 39 ...
Page 72: ...6 3 WORKING AREA X17JR0420113 68 BOOM LIFT MODELS X17J JLG Rotation 360 Rotation 360 ...
Page 121: ...117 BOOM LIFT MODELS X17J JLG X17JR0420113 ...
Page 166: ...12 2 HYDRAULIC SYSTEM DIAGRAM LITHIUM VERSION X17JR0420113 162 BOOM LIFT MODELS X17J JLG ...
Page 170: ... LITHIUM VERSION X17JR0420113 166 BOOM LIFT MODELS X17J JLG ...