Maintenance
3.Be sure the bellcrank Does Not touch the switch body or damage to the switch could occur.
4.Retighten switch mounting bracket.
Engine to Mower Deck Belt Adjustment
1.Stop engine and wait for all moving parts to stop. Engage parking brake. Remove key or spark plug wire(s).
2.Engage PTO.
3.Check belt guides under rear engine and front mower deck to see that they are properly set (see Belt Guide Adjustment section for instructions).
4.Belt must be tight enough so it does not slip during heavy loads while cutting grass.
For 48 inch Decks: If there is no adjustment left in the turnbuckle and the belt is still loose, the rear idler pulley can be repositioned in the front hole (see Figure 13). The belt guide located next to the pulley must also be repositioned in the front hole when the pulley is moved. The turnbuckle will need to be readjusted.
Check belt tension after the first hour of operation and at least twice during the first 24 hours of operation. Adjust as necessary.
Note: After readjusting the belt tension check the belt guide adjustment as stated in the Belt Guide Adjustment and Blade Brake Adjustment sections.
Figure 13
48 inch Deck Shown for Reference Only
1.Pulley location for Viking Hydro
2.Belt guide must be moved to the front position if the pulley is moved (48 inch deck only)
3.Pulley can be moved to the front position to tighten the belt when there is no adjustment left in the turnbuckle (48 inch deck only)
4.Turnbuckle
5.5/16 inch (.79 cm) minimum engagement
6.5/16 inch whizlock nut
7.Rear Assist Arm Stop
8.Assist Arm
9.Front Assist Arm Stop
10.Point “A”
5.Proper belt tension will require about 10 lb (4.5 kg) side pull on belt, halfway between pulleys (see Figure 13, item
Mower Deck Belt Routings:
Figure 14
36 inch Mower Deck
31
