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Maintenance
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 10–Point A) to deflect belt 1/2
inch (1.3 cm).
Mower Deck Belt Routings:
36 inch Mower Deck
Figure 13
Figure 14
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Blade Brake Adjustment
1.
Stop engine and wait for all moving parts to stop.
Engage parking brake. Remove key or spark plug
wire(s).
2.
Disengage PTO.
3.
Make sure the blade brake pad rests against
the sheave. Adjust the spring mounting bolts
to properly align the pad on the sheave (see
Figure 16).
Shown with Blades Disengaged
1. Blade Brake Rod
2. Spring Mounting Bolts
4.
Check the distance between the spacer and the nut
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at the end of the blade brake rod. The distance
should be between 1/8 inch (.32 cm) and 3/16
inch (.47 cm) (see Figure 16).
5.
Engage the PTO and check to make sure the
blade brake pad clears the sheave.
36
Figure 15
48 inch Mower Deck
Figure 16
3. 1/8 inch to 3/16 inch
(.32–.47 cm)
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