DR 372111, Руководство по безопасности и эксплуатации

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22 3-POINT HITCH
DR
® SELF-FEEDING™ CHIPPER
Tension
Spring
Eye Bolt
Locking
Nut
Tension
Nut
Figure 31
4-1/2"
Removing, Replacing and Adjusting the Drive Belt
Tools Needed:

Tape Measure

Two 9/16" Wrenches

1/2" Wrench

7/16" Wrench

1/8" Allen Wrench

Straightedge
Removing the Belt
1. Use two 9/16" Wrenches to remove the Bolt and Locknut securing the Upper
TPH Support to the Chipper Housing
(Figure 29) . Rotate the Upper TPH
Support up and out of the way.
2. Use a 1/2" Wrench to remove the four Bolts, Lock Washers, and Flat Washers
securing the Belt Guard to the Frame.
3. Remove the Belt Guard.
4. Use a 1/2" Wrench to Loosen the Tension Nut until the Belt can be easily
removed
(Figure 30).
Installing and Adjusting the Belt
1. Install the new Belt onto the Sheaves and Idler Pulley as shown (Figure 30).
2. Use a 1/2" Wrench to Tighten the Tension Nut until the distance between the
Tension Spring Hooks is 4-1/2"
(Figure 31).
NOTE: Loosen the Locking Nut as needed to get the spring to the proper tension.
3. Tighten the Locking Nut to secure when the proper adjustment is made.
Figure 30
Belt
Tension
Nut
Idler
Pulley
Flywheel
Sheave
PTO
Sheave
Eye Bolt
Figure 29
Belt
Guard
Bolts and
Washers (2 on
opposite side)
Upper TPH
Support
Bolt and
Locknut
Disengage PTO, shut down the tractor engine, remove the key, wait for all
moving parts to come to a complete stop, disconnect the PTO shaft from the
tractor, then wait 5 minutes before performing any maintenance procedure or
inspection on the chipper.
Use only DR Belts on your machine. The belts have been thoroughly tested
and proven for many hours of use.