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MAINTENANCE
INTERSTATER 02/11 Maintenance Section 5-4
© 2011 Alamo Group Inc.
MAINTENANCE
ADJUSTING TENSION OF DRIVEBELTS
1. Remove Pump Cover.
2. Loosen Pump Mount Plate bolt item 1 and 2.
Mnt-FL-0010
3. Loosen Belt Tension Bracket bolt item 3. Mnt-
FL-0010
4. Move pump unit outwards to increase tension
on the belt. Belts should have no more than 1/4
inch play at midpoint between drive pulley and
pump pulley. Tighten mounting bolts.
5. Replace Pump Cover.
CHANGING HYDRAULIC SYSTEM FILTER
A large capacity filter is located on top of the hydraulic oil reservoir. Mnt-FL-0009 The filter will trap particles
which are .001 inch or larger. The filter needs to be changed after the first 10 hours of operation and every 200
hours or 12 months thereafter.
1. Clean the filter cover to prevent dirt from entering tank.
2. Loosen the four bolts on the filter cover. Mnt-FL-0004 Remove one bolt from the filter to aid in removing the
filter cover. Mnt-FL-0005
3. Push the filter cover down and slowly twist the filter cover off. Mnt-FL-0006
4. Remove filter spring. Mnt-FL-0007.