26
After every 100 hours of operation, remove both idler chains
from the vehicle and clean them thoroughly in a suitable sol-
vent. Allow the idler chains to dry thoroughly, re-lubricate
them generously with Argo chain lube and re-install. Refer to
section 7.2.5 of this manual for idler chain removal and re-
installation instructions.
6.4.5 Outer Axle Flange & Bearing Lubrication
DO NOT USE HIGH PRESSURE
PNEUMATIC GREASING EQUIPMENT
Each outer axle flange is equipped with two grease nipples.
Grease the outer cavity through the outer nipple of each flange
with a lithium based, NLGI #2 or 3 mineral oil based grease,
(such as Shell Alvania #3). Apply at every 25 hours of opera-
tion, to flush dirt and water that may have entered the axle
seal. Only a small amount of pressure should be required.
Grease until any contamination has been forced out past the
seal and fresh grease is visible.
At the same time, inspect all the axle seals for damage (Figure
6-10). Vegetation wrapping around the axles can damage the
rubber lip of the seal, allowing dirt and water into the outer
cavity. Replace any damaged seals.
Figure 6-10. Outer Axle Flange
The second or inner grease fitting of the outer axle flange
supplies grease directly to the outer axle bearing. Since the
bearing is well sealed and packed with grease when manufac-
tured, it requires re-greasing only every 100 hours of opera-
tion or before the vehicle is taken out of service for any ex-
tended period. Use a pistol grip type grease gun to avoid
SECTION 6
OIL, FILTER AND LUBRICATION INFORMATION
6.4.4 Idler Chain Lubrication
Lubricate the idler chains after 10 hours of operation, and
more frequently if the vehicle is operated in dirty or wet condi-
tions (Figure 6-8). Use only ARGO Chain Lube (ARGO Part
No. 125-86) to lubricate the idler chains.
When applying the chain lube, protect the brake discs with a
rag or simple cardboard shield (Figure 6-9). DO NOT SPRAY
CHAIN LUBE ON THE BRAKE DISCS OR PADS. Roll the
vehicle so that all of the idler chain is accessible for lubrica-
tion.
Figure 6-8. Location of the idler chains.
Figure 6-9. Lubricating the idler chain
Do not use regular oil or grease to lubricate the idler chains.
Regular oil or grease will be thrown off the idler chains during
normal operation, and contaminate the brake pads or discs.
When these components become contaminated, brake effi-
ciency is affected.
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