Husqvarna PZ 72 Manual Del Operador página 25

MAINTENANCE
6. Remove the belt from around the electric
clutch on the engine shaft.
Deck Belt Installation
NOTE: For ease in installing the deck belt, refer to
the routing decal on the cutting deck.
1. Place the belt around all the pulleys except
the center spindle pulley.
2. With a 1/2" breaker bar, shift the idler arm
counter clockwise. When there is enough
slack, slip the belt onto the center spindle
pulley.
3. Reinstall the belt guide removed in Step 5
above.
4. Check belt routing to make sure it matches
the routing decal and that the belt does not
have twists.
5. Adjust belt tension by turning the eyebolt until
there is approximately 7/8" -1" of threads
showing outside the nut.
6. Belt tension must be set to 60-70 lbs.
7. Replace belt shields on both mandrel
housings and secure with fasteners.
Pump Belt
The belts are not adjustable and need to be
replaced if they begin to slip from wear. Park the
mower on a level surface. Engage the park brake.
1. Remove the deck belt.
2. Remove clutch stop to access the belt.
3. Disconnect clutch wire.
4. With a 1/2" breaker bar and using the square
opening in the idler arm, shift the arm to
create slack in the belt.
5. Remove belt from the engine and pump
pulleys.
Reinstallation
1. Wrap the belt around the engine pulley and
then around the left pump pulley.
2. Route the belt around the inside of the idler
pulley.
3. With a 1/2" breaker bar and using the square
opening in the idler arm, shift the arm to
create slack in the belt.
4. While holding the idler back with the breaker
bar, wrap the belt around the right pump
pulley.
5. Replace and secure clutch stop. Reinstall the
deck belt.
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