Husqvarna W548 Manuel D'utilisation page 23

MAINTENANCE
Deck Belt
Deck Belt Tension
1. Park on a level surface and engage the park
brake.
2. Remove mower deck center belt cover.
3. Measure the length of the idler arm tension
spring between the inside edges of the two
end hooks. The length should be 9-1/2 to
9-3/4" (24.1 – 24.8 cm)
4. Loosen the jam nut on the outside of the idler
bracket and use the adjustment nut on the
eye bolt to get the correct spring length.
5. Tighten jam nut.
6. Replace the mower belt cover.
Replacing the Deck Belt
1. Park on a level surface and engage the park
brake.
2. Remove mower deck belt cover.
3. Loosen the jam nut and use the adjustment
nut on the eye bolt to release the spring
tension from the belt.
4. Remove the mower deck drive belt.
5. Install new mower deck drive belt following
the routing decal on the deck.
6. Set the belt tension. See Adjusting the Deck
Belt Tension.
7. Replace the mower belt cover.
Clutch Drive Belt
NOTE: The electric clutch can be adjusted if the
clutch starts to slip. See Clutch Adjustment in
this section.
Belt Removal
1. Park on a level surface and engage the park
brake.
2. Remove the mower deck center belt cover.
3. Remove the deck belt following the
instructions above.
4. Find the bolt and nut directly behind engine.
5. Loosen but do not remove the nut. This will let
the bolt pivot, releasing the spring tension.
6. From under the mower, remove the outer nut
from the idler pulley bolt and disconnect the
tension spring.
7. Remove the drive belt.
Installation
1. Install the new traction drive belt.
2. Connect the tension spring to idler pulley bolt.
3. Install the nut and tighten until one or two
threads of bolt are visible. Do not tighten too
much.
4. From above the mower, tighten the nut to
secure the spring tensioning bolt.
5. Install the mower deck drive belt.
6. Install mower deck belt cover.
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