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MAINTENANCE (CONTINUED)
AFTER FIRST 100 HOURS OF OPERATION
1. Change engine oil and filter after first 100 hours, then every 250 hours after that, following
the engine manufacturer’s recommendations.
2. Change the gear box oil on the blower; use ISO Grade 100 Extreme Pressure Gear Oil
if your ambient operating range is from 32° F to 90° F. If your ambient operating range
is above 90° F, use ISO Grade 150 Extreme Pressure Gear Oil. Change oil every 1000
hours after that.
3. Change the gearbox oil on the airlock using SAE 90W gear oil. Fill oil to the side plug.
Change every 1000 hours after that.
EVERY 3 MONTHS OR 3,000 MILES (4,800 KM) TRAILER UNITS
1. Check and adjust trailer brakes.
2. Torque wheel lug nuts to 115 ft.-lb. (156 N•m).
3. Check tire condition.
EVERY 12 MONTHS OR 12,000 MILES (19,300 KM) TRAILER UNITS
1. Inspect and repack wheel bearings.
2. Inspect trailer brake magnets, pads, drums, etc.
FLOOR CHAIN ADJUSTMENT: EVERY 500 HOURS
1. The floor chain tension should be checked every 500 hours. If the chain is too loose, the
chain flights can buckle under the floor pan and damage the chain linkages and flights.
If the chain is too tight, it can put added wear on the floor bearings and cause excessive
chain stretch.
2. Shut the machine off and open the rear access door above the airlock. Remove any
buildup under the floor pan between the chain links, and the rear catch pan, so that an
accurate measurement can be made. Check the tension on the floor chain in the Material
Blower, as shown in the figure below.
3. To adjust the chain tension, find the take-up bearings on either side of the floorsill, near
the front of the hopper. Using a 1-1/2-in. wrench, turn the tensioning rod clockwise to
tighten the chain and counterclockwise to loosen it. Always turn both tension rods the
same amount so that the chain is always square with the drive shaft. A misaligned chain
can come off the sprocket and buckle.
PROPER CHAIN TENSION IS TO BE MEASURED
25 INCHES TO 29 INCHES FROM REAR SPROCKET
25 INCHES TO 29 INCHES
Floor Chain
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