RT45 Operator’s Manual Service - 155
10 Hour
Roller Boom with Adjusting Screw
With boom horizontal, measure distance from
bottom of boom to chain (3). When properly
adjusted, distance should be 1.5-2” (40-50 mm).
Adjust tension by tightening or loosening
adjustment screw (1) and jam nut (2).
Roller Boom with Grease Cylinder
With boom horizontal, measure distance from
bottom of boom to chain (2). When properly
adjusted, distance should be 1.5-2.0” (40-50 mm).
To tighten chain, remove plug and pump MPG into cylinder (1). To relieve chain tension, loosen plug on
grease cylinder.
Fluid pressure could pierce skin and cause
injury or death. Stay away.
To help avoid injury:
• Service digging boom grease cylinder only
while standing on opposite side of boom.
• Wear gloves and safety glasses, and cover
fitting with cloth when relieving pressure in
cylinder.
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