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SCAMP AND UTILITY MODELS
SERVICING
4502, 4503, 8602, 8603
WITH "F" SERIES ENGINES
SELF-PROPELLED BELT DRIVE
Adjustments
and
servicing of the Scamp and
Utility self-propelled mowers are very different
from
all
previous models
of self-propelled
mowers.
SAFETY WARNING
BEFORE ANY ADJUSTMENTS OR
REPAIRS ARE ATTEMPTED, DIS-
CONNECT
AND
REMOVE SPARK
PLUG TO PREVENT STARTING.
INSTALLING CONTROL
ROD
1. Place retainer clip
on clutch arm with
long side of clip on the inside
of clutch arm.
2. Align
hole in
clip with hole in
arm and
assemble lower
end
of the control
rod in
hole.
3. Turn (swivel) long end of clip up and snap
into position on lower control rod as shown.
SAFETY WARNING
THE LOWER SELF PROPEL CON-
TROL ROD MUST
BE ASSEMBLED
TO CLUTCH ARM
AS
SHOWN. I F
NOT THE SELF PROPEL
MECH-
ANISM WILL NOT
RETURN
TO
NEUTRAL WHEN THE CONTROL
LEVER IS RELEASED FROM
THE
ENGAGED POSITION.
10-44
REVISED 1983
SERVICE BULLETIN REFERENCES
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Summary of Contents for Toro 4502
- Page 1 SCAMP AND UTILITY MODELS SELF-PROPELLED BELT DRIVE SERVICING 4502, 4503, 8602, 8603 WITH “F” SERIES ENGINES Adjustments servicing of the Scamp and Utility self-propelled mowers are very different from previous models of self-propelled mowers. SAFETY WARNING BEFORE ANY ADJUSTMENTS OR...
- Page 2 SCAMP AND UTILITY MODELS SELF=PROPELLED BELT DRIVE SERVICING 4. With the control handle in "neutral" (free) Secure upper and lower control rods position a s shown. together with the clamp screw as shown. This screw should be tightened securely by hand. 5.
- Page 3 SCAMP AND UTILITY MODELS SELF-PROPELLED BELT DRIVE SERVICING ENGINE REMOVAL REPLACEMENT DRIVE ROLLER ADJUSTMENT SAFETY WARNING 1. With the control handle in "Neutral", place both rear wheel height adjusters in TO PREVENT STARTING OF EN- #1 (lowest) cutting position a s shown. GINE, DISCONNECT AND REMOVE gap of 3/16"...
- Page 4 SCAMP AND UTILITY MODELS SELF-PROPELLED BELT DRIVE SERVICING BELT REMOVAL REPLACEMENT SAFETY WARNING TO PREVENT STARTING ENGINE, DISCONNECT SPARK PLUG LEAD AND REMOVE SPARK PLUG. "V" belt used on the utility self- is a SPECIAL propelled model mowers BELT. DO NOT USE A SUBSTITUTE.
- Page 5 SCAMP AND UTILITY MODELS SELF-PROPELLED BELT DRIVE SERVICING NOTE After the belt has been removed, examine for broken, cracked o r m i s - aligned pulleys. The condition and the wear pattern of the belt will provide clues for the above possibili- ties.
- Page 6 SCAMP AND UTILITY MODELS SELF-PROPELLED BELT DRIVE SERVICING SAFETY WARNING IDLER PULLEYS TOP STRAND INCORRECT DRIVE BELT INSTAL- MOWER LATION MAY ALLOW OPERATE IN REVERSE DIRECTION CAUSING INJURY THE OPERA- TOR OR BYSTANDERS. ASSEMBLE DRIVE BELT SHOWN. DRIVE- BOTTOM STRAND ENGINE SHAFT DRIVE...
-
Page 7: Belt Tension
SCAMP AND UTILITY MODELS SELF=PROPELLED BELT DRIVE SERVICING INSTALL BELT AS SHOWN 10. Reassemble the drive shaft into the bearing FOR PROPER PULLEY ROTATION and slide it to the left as far as possible. Assemble the washer and drive roller on the drive shaft. 11. - Page 8 SCAMP AND UTILITY MODELS SELF-PROPELLED BELT DRIVE SERVICING To adjust belt tension; loosen four handle BELT TENSION ADJUSTMENT bracket mounting screws (two on each bracket) and two screws (one on each side) 1. Check drive belt installation. Drive belt must be installed between idler pulleys as located on the sides of r e a r height adjuster shown.
- Page 9 SCAMP AND UTILITY MODELS SELF-PROPELLED BELT DRIVE SERVICING LUBRICATION HOURS DRIVE ROLLER BEARINGS-Disassemble rotating shaft cover from self-propel mechanism by removing four screws. Unscrew plug from end each drive roller (Point “A”). Fill exposed cavity with LAWN-BOY “A” GREASE, PART NO. 610721 OR EQUIVALENT.
-
Page 10: Safety Warning
UTILITY MODELS 4502 AND 8602 SCAMP MODELS 4503 AND 8603 SELF-PROPELLED SERVICING On 4502,4503,8602,8603 models of Utility and Before assembling collar on crankshaft, check to Scamp mowers, a blade nut has replaced the be sure it did not get bent or distorted when b e blade bolt previously used on earlier models.