Husqvarna W448 Operation Manual - Page 20

Maintenance

Page 20 highlights

MAINTENANCE WARNING! Avoid injury. Read and understand the entire Safety section before proceeding. General Lubrication Apply a small amount of oil to the pivot points as required for smooth operation. Apply high quality lithium based grease to all lube fittings every 50 hours of operation (spindle bearings every 160 hours). Spindle Bearings Half Shafts Wheel Bearings & Caster Pivots 48" Deck Shown Tracking Adjustment Check Forward Tracking 1. Start engine and run unit at full throttle. 2. Shift into a forward gear and slowly release both steering levers to the full outward position. 3. Note to which direction, if any, the unit pulls. 4. Stop unit and engine. 5. Adjust tracking if needed. Try each of the following steps until the unit tracks straight. It may not be necessary to perform all the steps. If unit turns to the right: 1. Reduce the air pressure in the left tire. 2. Increase the air pressure in the right tire. 3. Check for brake binding on right wheel and adjust as needed. If unit turns to the left: 1. Reduce the air pressure in the right tire. 2. Increase the air pressure in the left tire. 3. Check for brake binding on left wheel and adjust as needed. Adjusting Steering Levers For each lever: 1. Turn off the engine, remove the ignition key and allow unit to cool. 2. Release steering or control levers. 3. Shift transmission into neutral. Operate steering or control lever several times. Do not move unit. 4. Remove the hair pin and disconnect the trunnion from the wheel clutch. 5. Adjust the trunnion on the steering control rod until the gap between the ends of the steering lever and handlebar grip is 3 to 3¼". (7.62 - 8.26 cm). 6. Reconnect trunnion to wheel clutch and secure with hair pin. 7. Repeat for other steering lever. 3-3¼" Steering Lever Steering Rod Wheel Clutch - 20 -

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- 20 -
MAINTENANCE
WARNING!
Avoid injury. Read and
understand the entire Safety section before
proceeding.
General Lubrication
Apply a small amount of oil to the pivot points
as required for smooth operation. Apply high
quality lithium based grease to all lube fittings
every 50 hours of operation (spindle bearings
every 160 hours).
Tracking Adjustment
Check Forward Tracking
1.
Start engine and run unit at full throttle.
2.
Shift into a forward gear and slowly
release both steering levers to the full
outward position.
3.
Note to which direction, if any, the unit
pulls.
4.
Stop unit and engine.
5.
Adjust tracking if needed.
Try each of the following steps until the unit
tracks straight. It may not be necessary to
perform all the steps.
Half
Shafts
Wheel Bearings &
Caster Pivots
Spindle
Bearings
If unit turns to the right:
1.
Reduce the air pressure in the left tire.
2.
Increase the air pressure in the right tire.
3.
Check for brake binding on right wheel
and adjust as needed.
If unit turns to the left:
1.
Reduce the air pressure in the right tire.
2.
Increase the air pressure in the left tire.
3.
Check for brake binding on left wheel and
adjust as needed.
Adjusting Steering Levers
For each lever:
1.
Turn off the engine, remove the ignition
key and allow unit to cool.
2.
Release steering or control levers.
3.
Shift transmission into neutral. Operate
steering or control lever several times. Do
not move unit.
4.
Remove the hair pin and disconnect the
trunnion from the wheel clutch.
5.
Adjust the trunnion on the steering control
rod until the gap between the ends of the
steering lever and handlebar grip is 3 to
3¼". (7.62 – 8.26 cm).
6.
Reconnect trunnion to wheel clutch and
secure with hair pin.
7.
Repeat for other steering lever.
48" Deck Shown
Steering Rod
Wheel Clutch
3-3¼"
Steering Lever