Viking MT 830 - Tractor Drive Belt Replacement

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Troubleshooting, Adjustment, & Service
TRACTOR DRIVE BELT REPLACEMENT
1. Park the tractor on a level surface. Disengage the
PTO, turn off the engine and set the parking brake.
Remove the key.
2. Remove the mower deck from the tractor. See
Mower Installation & Removal.
3. Loosen the bolts securing the engine pulley belt
guide (A, Figure 39).
4. Remove the rear drag link hardware (B, Figure 39).
When reassembling, apply thread locking compound
to nut before tightening.
5. Loosen the belt stop on the transmission pulley. Belt
stop hardware is located on the inside of RH frame.
Move belt stop out of the way. Belt stop should be
positioned 3 mm from belt when new belt is installed
and hardware is tightened.
6. Note the position of the idler pulley belt guide.
Loosen hardware securing the idler pulleys
(C, Figure 39).
7. Carefully slide belt over transmission pulley and
remove from the idler pulleys (C, Figure 39).
8. Install new belt as shown in Figure 38.
9. Return the idler pulley belt guide to its original posi-
tion and tighten the idler pulley hardware.
10. Reverse steps 1-5.
To avoid damaging belts, DO NOT PRY
BELTS OVER PULLEYS.
Figure 38. Drive Belt Routing - All Models
A.
Engine Pulley C. Idler Pulleys
B. Transmission Pulley
A
Figure 39. Drive Belt Replacement
A. Belt Stop Bolts C. Idler Pulleys
B. Drag Link Hardware
B
C
A
B
C
A