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Adjustments
Note: Disengage PTO, shut off engine, wait for
all moving parts to stop, engage parking brake, and
remove key before servicing, cleaning, or making any
adjustments to the unit.
Pump Drive Belt Tension
Self-tensioning - No adjustment necessary.
Pump Drive Belt
Replacement
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Remove pump drive belt.
3. Route new belt onto sheaves as shown in the
decal located on the right hand side of the left
hood support (see Figure 12).
Figure 12
Alternator Belt Tension
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Tilt seat forward and raise hood.
3. To tighten alternator belt, loosen both upper and
lower alternator mounting bolts. Rotate alternator
out, away from engine and re-tighten hardware
to secure in place.
4. When properly tensioned, the alternator belt will
deflect 1/4–3/8 inches (7-9 mm) while applying
22 pounds of force to the belt midway between
alternator and crankshaft pulley.
Park Brake Adjustment
Check to make sure brake is adjusted properly.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Tilt seat forward and raise hood.
3. Pull the brake lever up into the engaged position.
4. Locate the park brake spring assembly (see
Figure 13). There should be a gap of 1/8 inch (3
mm) between the yoke and thin nyloc nut on the
brake bolt. If necessary, rotate the thin nyloc nut
to obtain the 1/8 inch gap.
1. Park brake engaged
2. Yoke
5. Disengage the park brake. Measure the length of
the park brake spring. The spring should measure
2 1/2 inches (6.4 cm) (see Figure 14).
1. Yoke
2. Park brake spring
33
Maintenance
Figure 13
3. Thin nyloc nut
4. 1/8 inch (3 mm) gap
between nut and yoke.
Figure 14
3. 2 1/2 inches (6.4 cm)
4. Thin nyloc nut
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