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7.13 Tensioning the Spindle timing belt
Make the mower SAFE then proceed as follows:
Tools required:
13mm A/F socket and ratchet
13mm spanner
Tip: Do not over tension the belts as this will cause misalignment of the idler
and spindle pulleys and cause the belt to run off causing damage.
x3
Using a spanner loosen the 3 deck
guard fasteners and remove the
guard
Using a socket and ratchet loosen the
4 fasteners securing the idler bracket
to the deck and a spanner to loosen
the adjuster screw lock nut
x4
IMPORTANT - Before tensioning
check the blade timing. This is
important to avoid blade collisions.
The blades should be timed as shown
!
Using a spanner turn the adjuster
screw clockwise
to tension the
belt. As a guide the deflection on a
correctly tensioned belt should be
approximately 20mm when a 5-6kg
load is applied
20mm
Tighten the 4 fasteners securing the
idler bracket to the deck and tighten
the adjuster screw lock nut. Replace
the deck guard
