Poulan Pro PB21H42, Operator'S Manual

23

SERVICE AND ADJUSTMENTS

TO REMOVE HOOD AND GRILL ASSEMBLY 
(See Fig. 25)

•      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.

01536

FIG. 25

HEADLIGHT
WIRE
CONNECTOR

HOOD

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. See electrical wiring diagram in the Repair 

Parts section.

FIG. 24

02614

WEAK OR DEAD
BATTERY

FULLY CHARGED
BATTERY

TO START ENGINE WITH A WEAK BAT TERY 
(See Fig.  24)

WARNING:  Lead-acid batteries gen-
 er ate ex plo sive gases.  Keep sparks, 
fl ame and smoking ma te ri als away from 
bat ter ies.  Always wear eye pro tec tion 
when around batteries.

If your battery is too weak to start the engine, it should be 
recharged. (See "BATTERY" in the Maintenance sec tion 
of this man u al).

If “jumper ca bles” are used for emer gen cy starting, follow 
this pro ce dure:

IMPORTANT:  YOUR TRACTOR IS EQUIPPED WITH A 12 VOLT 
SYSTEM. THE OTHER VEHICLE MUST ALSO BE A 12 VOLT 
SYSTEM. DO NOT USE YOUR TRACTOR BATTERY TO START 
OTHER VEHICLES. 

TO ATTACH JUMPER CABLES -
•      Connect one end of the RED cable to the POSITIVE 

(+) terminal of each battery(A-B), taking care not to 
short against tractor chassis.

•         Connect one end of the BLACK ca ble to the NEGA TIVE 

(-) terminal (C) of fully charged battery.

•      Connect the other end of the BLACK cable (D) to good 

chassis ground,  away from fuel tank and bat tery.

TO REMOVE CABLES, REVERSE ORDER -
•      BLACK cable fi rst from chassis and then from the fully 

charged battery.

•      RED cable last from both batteries.

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 enigne 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.