White Outdoor Series 900 Operator's Manual page 14

6
Maintenance
WARNING
Always stop engine,
disconnect spark
plug, and ground
against engine before
cleaning, lubricating
or doing any kind of
maintenance on your
machine.
If unit is tipped for
easier access to
blade or belt, tip
mower as specified
in separate engine
manual. If it does not
specify turn mower
on its side making
sure that the air filter
and the carburetor
are up.
Cutting grass in
sandy soil condition
causes abrasive wear
to the blade.
Figure 16
Figure 17
Figure 18
10. Using a pair of pliers, pull back and rotate belt keeper
bracket from the slot on idler pulley.
11. Slide the belt out from between the belt keeper
bracket and the idler pulley. See Figure 16.
12. Squeeze the belt together and push belt forward.
Press the control arm inward towards the deck and
remove the six speed cable from the slot. See Figure
17.
13. Pivot the control arm down away from the pulley and
belt.
14. Lift off the lower pulley assembly and remove the old
belt from around the crankshaft.
15. Place the new belt over the transmission pulley. Start
the belt in pulley groove and rotate pulley until belt is
seated in transmission pulley.
16. Place belt between idler pulley and the belt keeper
bracket.
17. Using pliers, rotate the belt keeper bracket so that it
snaps into slot on the idler bracket.
18. Tighten the idler pulley bolt and locknut ½ turn using
two 7/16" wrenches.
19. Place belt between the two pulley halves on the
crankshaft. Make sure to route the belt inside the belt
guard pin. See Figure 18.
20. Pinch belt together so that it is not in the pulley
groove, and the lower pulley can be pushed towards
the engine. See Figure 19.
21. Pivot the control arm back to its original position and
reinstall the six-speed cable into the slot.
22. Check and make sure the belt is routed inside the
pulley halves and the belt guard pin.
23. Reinstall the bolt securing transmission to rear mower
housing.
Figure 19
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