Bude drive belt adjustment, Service and adjustments, Figure 5-9: blade drive adjustment – Craftsman 987.889000 User Manual

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SERVICE AND ADJUSTMENTS

BUDE DRIVE BELT
ADJUSTMENT

If the blade drive belt is slipping

due to lack of belt tension, follow
the steps below.

Stop engine, wait for all parts

to stop moving, and disconnect

sparkplug wire.

2. Remove belt cover as described
in “Belt Cover Removal" instruc
tions.

3. With mower on ievel ground,

adjust blade cutting height at
about 3" {measure frgm ground to

flat portion of blade)..

4. With the Blade Drive Control
(Figure 5-7) in the disengaged
position, set a gap of 1/8" between
the spring (F. Figure 5-9) and flat
washer (E) by adjusting the nut

(D).

5. Reinstall the belt cover,
securely.

6. Test the operation of the blade
brake (see “Blade Brake Control
Test”).

7. If the drive belt slips during op
eration, it may be necessary to re

locate idler (J, Figure 5-9) in the

slot provided in the mounting

bracket.

With the engine

stopped and the sparkplug

wire disconnected,

loosen the

hardware on the idler (J) and slide
it forward to take up slack in the
belt.

8. Engage the blade drive and
measure the distance (X, Figure
5-8) between the centers of pul

leys (K) and (L). The distance

should be 5-1/2 to 5-5/8". After

obtaining the correct dimension,
reinstall the belt cover securely
and test the operation of the blade
brake.

Adjust idler in direction

of arrow to tighten
blade drive belt

Figure 5-9: Blade drive adjustment.