JLG 600SC_660SJC ANSI Service Manual - Manual (Page 123)

SECTION 6 - UNDERCARRIAGE
3120794 – JLG Lift – 6-19
Front Idler Disassembly
1. Thoroughly clean the outside of the front idler prior
to assembly.
NOTE: Care must be taken to ensure that fluids are con-
tained during performance of inspection, mainte-
nance, testing, adjusting and repair of the product.
Be prepared to collect the fluid with suitable contain-
ers before opening any compartment or disassem-
bling any component containing fluids.
Dispose all fluids according to local regulations and
mandates.
2. Remove the fill/drain plug from the front idler. Drain
the oil from the idler into a suitable container for dis-
posal. The capacity of the idler is 5.07 oz. (150 mL).
3. Put the front idler on one side as shown. The weight
of the front idler is approximately 150 lb. (67 kg).
4. Remove two spring pins (1) from bearings (2).
Remove the bearings from the shaft of the front idler.
The weight of each bearing is approximately 15 lb.
(7 kg).
5. Remove Duo-cone seal kits (3) from bearings (2).
Figure 6-8. Front Idler Assembly