6. M
AINTENANCE
& S
TORAGE
W
ESTFIELD
- G
RAIN
A
UGERS
6.2. G
ENERAL
M
AINTENANCE
P
ROCEDURES
WR 60/80/100 X 26’ - 71’ EMD M
ODEL
56
30255 R3
Drive Chain Adjust-
ment
Maintain 1/4” - 1/2” (0.64 cm - 1.27 cm) chain deflection.
To adjust, loosen bolts on top bearing in the upper drive
housing, adjust chain to proper tension, and re-tighten
bolts
Regularly
Intake Bushing
Lubricate.
Daily
Gearbox
Maintain oil level at half full (center of cross shaft) with EP90
lube oil.
Ensure gearbox is level when checking or refilling
Do not overfill
Oil must be
added to gearbox
before operat-
ing, and then reg-
ularly as needed
Drive Belt
Check and replace if frayed or damaged.
Ensure tension is correct under load (correct tension is the
lowest at which the belts will not slip under peak load condi-
tions)
Frequently
Winch
Note: Service
winch with auger in
fully lowered posi-
tion and cable
slack.
Keep a film of grease on gears.
Regularly
Oil the ratchet pawl pivot, bushings, and pinion threads.
Do not get oil or grease on brake discs.
Occasionally
Replace brake discs if less than 1/16” (1.6 mm) thick.
As required
Check for proper ratchet pawl operation.
When cranking in (clockwise) = loud clicking
When cranking out (counterclockwise) = no clicking and
ratchet pawl fully engaged into gear teeth
Regularly
Truss Cables
Adjust to keep auger tube reasonably straight.
As necessary
Area
Maintenance Procedure
Frequency