Disassembly of sheave assembly -3 – JLG 601S Service Manual User Manual
Page 133
SECTION 4 - BOOM & PLATFORM
3120866
– JLG Lift –
4-3
WHEN REMOVING THE TELESCOPE CYLINDER FROM THE
BOOM, IT MAY BE NECESSARY AT SOME POINT IN ORDER TO
CLEAR ASSEMBLIES MOUNTED WITHIN THE BOOM. CARE MUST
BE TAKEN TO MOVE THE CYLINDER SLOWLY FROM THE BOOM.
DAMAGE TO COMPONENTS MAY RESULT FROM FORCIBLE
IMPACT WITH THESE ASSEMBLIES.
7. Remove bolts securing wire rope attach bar to top of
fly boom section.
8. Pull the telescope cylinder and wire ropes partially
from aft end of the base boom section; secure the
cylinder with a suitable sling and lifting device at
approximately the center of gravity.
9. Carefully remove the telescope cylinder and sheave
assembly. Place telescope cylinder on a suitable
trestle.
a. Remove hardware from the wear pads; remove
wear pads from cylinder.
b. Remove hardware from the wire rope guard;
remove guard from cylinder.
c. Remove hardware from the sheave pin; remove
pin and sheave from cylinder.
10. Remove hardware which secures the wear pads to
the front of base boom section; remove wear pads
from the top, sides and bottom of the base boom
section.
Figure 4-5. Disassembly of Sheave Assembly