GB - 14
4. Saturate with engine oil and squeeze (do not
twist) to distribute oil and remove excess oil.
Paper Filter
Do not attempt to clean or oil filter. Replace once a
year or every 100 operating hours, more often if used in
extremely dusty conditions.
Clean inside of cover and body of filter holder. Replace
filter and cover and secure.
Spark Plug
Spark plug should be cleaned or replaced (if
necessary) and gap reset to .030" every 100 hours of
operation or yearly whichever comes first.
To clean:
1. Remove debris from area around spark plug
base.
2. Remove spark plug from engine.
3. Scrape and wash spark plug with a commercial
solvent. DO NOT blast clean.
4. Replace spark plug.
NOTE:
Sparking can occur if wire terminal does not fit
firmly on spark plug. Replace terminal if damaged.
Muffler
Worn out mufflers should be replaced immediately.
Continued use could result in fire or explosion.
Rotary Mower Belt Replacement
See Figures 6-7.
1. Disengage (OUT) Mower Clutch lever.
2. Loosen three nuts securing rear belt finger to
back cover and rotate belt finger
counterclockwise to remove from unit.
3. On 32" mowers, remove mower pulley belt finger,
loosen cap screw on clutching idler and fixed idler
to provide clearance for belt between belt fingers
and idlers.
4. Remove old belt and place new belt in position on
mower and engine pulley.
5. Position rear belt finger with 1/16" clearance
between belt and finger, secure rear belt finger to
rear cover by tightening top two nuts first, then
bottom nut (see Figure 6).
6. On 32" mowers tighten cap screws on clutching
idler (with 1/8" clearance between belt and finger)
and fixed idler (with tab on mount engaged in hole
of belt finger).
7. Install belt finger at mower pulley with 1/16"
clearance between belt and finger (bend finger as
required).
Mower Drive Belt Replacement
See Figures 6-7.
1. Remove rear belt finger from back cover and
mower belt from engine pulley.
2. Remove five cap screws with lock washers that
secure friction wheel and guard to hub (this
provides clearance for removal of belt).
3. Place Speed Selector in neutral (N), release drive
belt from idler and remove it from drive disk and
engine pulley.
4. Install new belt around engine pulley, drive disk
and idler with belt properly seated in grooves.
5. Secure friction wheel and guard on hub with five
cap screws and lock washers.
6. Install mower belt on engine pulley and secure
rear belt finger to back cover.
1. Mower Belt
2. Rear Belt Finger
3. Engine Pulley
4. Drive Belt
5. Idler Arm
6. Friction Wheel
7. Drive Disc
Figure 6
1
2
3
7
6
5
4
5 1/4" to 5 3/8"
1. Mower Pulley
2. Mower Belt
3. Fixed Idler
4. Clutching Idler
5. Belt Finger
6. Adjustable Clutch Rod
Figure 7
4
3
6
5
1
2
