JLG M450 Service Manual - Manual (Page 119)

SECTION 4 - BOOM & PLATFORM
3121829 – JLG Lift – 4-7
4.6 WEAR PADS
1. Shim up wear pads until snug to adjacent surface.
2. Replace wear pads when worn to thickness shown
below.
3. Adjust wear pads as follows:
a. Loosen jam nut on adjustment bolt, turn bolt CW
until wear pad is snug to adjacent surface.
b. After adjustments have been made, tighten the
jam nuts on wear pad bolts.
4.7 BOOM LIMIT SWITCHES
Refer to Figure 4-8., Boom Limit Switches for adjustments
to be made to the two Boom Limit Switches which bolt in
place on the upright.
Figure 4-6. Wear Pad Thickness
Table 4-1.Wear Pad Thickness
Pad
Thickness of
New Pad
Replace When Worn to:
A 0.75" 19 mm 0.375" 9.5 mm
B 0.5" 13 mm 0.3125" 8 mm
C 0.5" 13 mm 0.3125" 8 mm