Service and adjustments, Engine – McCulloch MC2042YT (96042011500) User Manual
Page 21
 
21
02778
SERVICE AND ADJUSTMENTS
TO REPLACE HEADLIGHT BULB
• Raise
hood.
•
Pull bulb holder out of the hole in the backside of the 
grill.
•
Replace bulb in holder and push bulb holder securely 
back into the hole in the backside of the grill.
• Close
hood.
INTERLOCKS AND RELAYS
Loose or damaged wiring may cause your tractor to run 
poorly, stop running, or prevent it from starting.
• Check 
wiring.
HOOD
HEADLIGHT 
WIRE
CONNECTOR
TO REMOVE HOOD AND GRILL ASSEMBLY 
(See Fig. 34)
• Raise
hood.
•
Unsnap headlight wire connector.
•
Stand in front of tractor. Grasp hood at sides, tilt toward 
engine and lift off of tractor.
•
To replace, reverse above procedure.
Fig. 33
Fig. 34
ENGINE
TO AD JUST THROTTLE CON TROL CABLE
The throttle control has been preset at the factory and 
ad just ment should not be necessary. If adjustment is nec-
 es sary, see engine manual.
TO AD JUST CHOKE CON TROL
The choke control has been preset at the factory and ad-
 just ment should not be necessary. If adjustment is neces-
sary, see engne manual.
TO ADJUST CARBURETOR
Your carburetor is not adjustable. If your engine does not 
operate properly due to suspected carburetor problems, 
take your tractor to an authorized service center for repair 
and/or adjustment.
TO REPLACE FUSE
Replace with 20 amp automotive-type plug-in fuse. The 
fuse holder is located behind the dash.
REPLACING BATTERY (
See Fig. 33
)
WARNING: Do not short battery 
ter mi nals by allowing a wrench or any 
other object to contact both terminals 
at the same time. Before connecting 
battery, remove metal bracelets, 
wristwatch bands, rings, etc. Positive 
terminal must be connected first to 
prevent sparking from ac 
ci den tal
grounding.
•
Lift seat pan to raised position.
•
Disconnect BLACK battery cable first then RED battery 
cable and carefully remove battery from tractor.
•
Install new battery with terminals in same position as 
old battery.
•
First connect RED battery cable to positive (+) terminal 
with bolt and nut as shown. Tighten securely. Slide 
terminal cover over terminal.
•
Connect BLACK grounding cable to negative (-) ter -
mi nal with remaining bolt and nut. Tighten se cure ly.
•
Lower seat pan.
02603
SEAT PAN
NUT
POSITIVE 
(RED) 
CABLE
NEGATIVE
(BLACK)
CABLE
BOLT
TERMINAL 
COVER