Worldlawn 28? Operator's Manual - Adjustment &repairs
Adjustment &Repairs
6
WARNING:
Be sure that both blades are perpendicular to each other
while installing, It could otherwise result in serious mower
damage. FIG11.
TRANSMISSION DRIVE BELT REPLACEMENT
Loosen the locknuts of the belt guard besides engine pulley (or bolts of
the belt guard brackets on both sides and nuts of the long bolt on the
right belt guard bracket). Rotate the guard (or belt guard brackets on
both sides) at an angle,remove the blade drive belt from the engine
pulley, loosen the locknut of transmission drive idler pulley, move the
transmission drive idler pulley. Remove the old belt, install new belt.
Replace all parts in proper order. Adjust the belt following proper
procedure. Tighten all the locknuts. FIG12. FIG13
NOTE:
All locknuts on belt guards must be securely tightened.
BLADE BRAKE PAD REPLACEMENT
Remove belt cover, move blade brake arm assembly out of way, remove
hardware securing blade brake pad. Install new pad, center the pad in the
blade pulley groove, re-tighten nuts. Test operation of the blade brake
system, to see that the blade brake stops blade rotation within 3 seconds.
FIG12.
FIG12
FIG13
NOTE:
Shut off engine and disconnect the spark plug
wire before removing belt cover.
WHEEL DRIVE BELT REPLACEMENTS
FIG14
Remove rearHex Hd. Bolt securing Belt Guard, loosen front Hex Hd.
Bolt securing Belt Guard, then turn the belt guard around Front Hex Hd.
Bolt, squeeze Steering Lever to loosen Idler Pulley, remove the wheel
drive belt from Transmission Output Pulley, then remove the belt from
wheel drive pulley and drive wheels. Install new belt, replace all parts in
proper order, adjust the belt following adjusting belt procedures. FIG14.
REAR WHEEL TUBE REPLACEMENTS
To replace tube, removetire & rim assembly from the wheel
hub weldment, remove bolts from tire & rim assembly, split
the rim, remove old tube, install new tube, reinstall drive
wheel assembly in proper order.
DRIVE CONTROL ADJUSTMENTS
The drive control is a system of interconnected machine element made
up of steering and braking functions, that is to say, onesteering 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 for the same strength.
Adjusting control rod: Removehair 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 same, reinstall all parts in proper order.
Adjusting brake lever: Loose or tighten locknut at the bottom of brake
lever to adjust the length of the brake lever. FIG15.