Worldlawn WY28X, Руководство оператора

Страница: 19 / 28

13
d eflection is 7-9mm ) (See FIG 9)
5.2.2.1 Synchronous Belt Adjustment & Replacement
⚫
Stop engine, wait for all moving parts to stop,
and remove key or pull out spark plug lead.
⚫
Remove blade transmission belt according to
reference method 5.2.2, then loosen nut in the
idler pulley, take the synchronous belt from the
axis pin, then install the new synchronous belt in
reverse order. (See FIG9)
5.2.2.2 Blade Brake Pad Replacement
⚫
Stop engine, wait for all moving parts to stop,
and remove key or pull out spark plug lead.
⚫
Remove the belt cover, turn the shift arm, move
shift arm away from pulley, remove bolts and
nuts, replace with new brake pad, install bolts
and nuts, and make blade brake pad aim at the
belt pulley groove center, then screw down the
nut. Test blade brake system; blade brake pad can
make rapid rotary blades stop running in 3
seconds. (See FIG 9)
FIG 9
5.2.3 Transmission Drive Belt Adjustment.
⚫
Stop engine, wait for all moving parts to stop,
and remove key or pull out spark plug lead.
⚫
Transmission drive belt is on the underside of the
engine frame weldment. Adjust the belt so that
the belt moves 1/4″ with 10 pounds of pressure;
adjust the tension by moving transmission drive
idler pulley, then tighten all the nuts.(See FIG 10)
⚫
Loosen the nut on the tension pulley of the
transmission drive belt. Remove the tension
pulley and the belt you need to replace. Install
the new belt, then install the transmission drive
pulley in reverse order. Adjust the belt according
to the method of belt adjustment, then tighten the
nut. (See FIG 11)
FIG 10
5.2.4
Drive Control Adjustments
⚫
Stop engine, wait for all moving parts to stop,
and remove key or pull out spark plug lead.
⚫
The drive control is a system of interconnected
machine elements made up of steering and
braking functions, that is to say, one steering
lever applies to neutral latch lock position or
neutral latch unlock position. When two steering
levers are in neutral lock position, the power is
disengaged. To brake, adjust brake lever and
control rod beside the mower of the same
strength.
⚫
Adjusting control rod: Remove hair pin on the
top of control rod, pull out the control rod from
steering lever, turn the control rod so that the
length of two control rods is the same and
reinstall all parts in proper order. (See FIG 12)