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23

SERVICE AND ADJUSTMENTS

TO REMOVE HOOD AND GRILL ASSEMBLY 
(See Fig. 26)

• 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.

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. 25

WEAK OR DEAD
BATTERY

FULLY CHARGED
BATTERY

TO START ENGINE WITH A WEAK BATTERY 
(See Fig. 25) 

WARNING:  Lead-acid batteries gen-
 er ate ex plo sive gases.  Keep sparks, 
flame 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 first from chassis and then from the fully 
charged battery.

 •  RED cable last from both batteries.

02778

HEADLIGHT
WIRE
CONNECTOR

HOOD

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.

FIG. 26

TO REPLACE FUSE

Replace with 20 amp automotive-type plug-in fuse.  The 
fuse holder is located behind the dash.

Summary of Contents for 96011024900

Page 1: ...532 40 88 72 09 12 06 CL PRINTED IN U S A MODEL NO MC16H38ST 96011024900 16 0 HP 38 Inch Lawn Tractor www mcculloch biz...

Page 2: ...s catcher or unclogging the discharge guard Operate machine only in daylight or good artificial light Do not operate the machine while under the influence of alcohol or drugs Watch for traffic when op...

Page 3: ...ch towed equipment except at the hitch point Follow the manufacturer s recommendation for weight limits for towed equipment and towing on slopes Never allow children or others in or on towed equip men...

Page 4: ...est covered brush coveredorgrass covered land unless the engine s exhaust system is equipped with a spark arrester meeting applicable local or state laws if any If a spark arrester is used it should b...

Page 5: ...oot Steering Wheel Adapter 1 Washer 17 32 x 1 3 16 x 12 Gauge Seat 2 Keys Slope Sheet Keys 1 Large Flat Washer 1 Oil Drain Tube For Future Use 1 Knob 1 Hex Bolt 5 16 18 x 4 1 5 16 Lock Washer Steering...

Page 6: ...ed holes in pan Push down on seat to engage shoulder bolts in slots and pull seat towards rear of tractor Pivot seat and pan forward and assemble adjustment knob and flat washer loosely Do not tighten...

Page 7: ...gine oil level and fill fuel tank with gasoline FIG 2 ADJUSTMENT KNOB FLAT WASHER 02615 02617 SEAT PAN SHOULDER BOLTS SEAT 02602 CONNECT BATTERY See Figs 3 and 4 CAUTION Do not short battery termi nal...

Page 8: ...o STOP position Continue with the instructions that follow CHECKLIST BEFORE YOU OPERATE YOUR NEW TRACTOR WE WISH TO ASSURE THAT YOU RECEIVE THE BEST PERFORMANCE AND SATISFACTION FROM THIS QUALITY PROD...

Page 9: ...ngine FREEWHEEL CONTROL Disengages transmission for pushing or slowly towing the tractor with the engine off IGNITION SWITCH Used for starting and stopping the engine MOTION CONTROL LEVER FIG 5 LIFT L...

Page 10: ...ENGINE Move throttle control between half and full speed fast position NOTE Failure to move throttle control between half and fullspeed fast position beforestoppingmaycauseengine to backfire Turn ign...

Page 11: ...ld result in serious injury or death The safety alert symbol is used to identify safety inform ation about hazards which can result in death serious injury and or property damage DANGER indicates a ha...

Page 12: ...D FIG 7 TO OPERATE MOWER See Fig 7 Your tractor is equipped with an operator presence sens ing switch Any attempt by the operator to leave the seat withtheenginerunningandtheattachmentclutchengaged wi...

Page 13: ...temperature AUTOMATIC TRANSMISSION WARM UP Beforedrivingtheunitincoldweather thetransmission should be warmed up as follows Be sure the tractor is on level ground Place the motion control lever in ne...

Page 14: ...gine is running move throttle control to slow position With motion control lever in neutral N position slowly disengage clutch brake pedal Move motion control lever to full forward position and hold f...

Page 15: ...ilter 1 2 IMPORTANT DO NOT OIL OR GREASE THE PIVOT POINTS WHICH HAVE SPECIAL NYLON BEARINGS VISCOUS LUBRICANTS WILL ATTRACT DUST AND DIRT THAT WILL SHORTEN THE LIFE OF THE SELF LUBRICATING BEARINGS IF...

Page 16: ...ROS ON position and the attachment clutch en gaged any attempt by the operator to shift into reverse should NOT shut off the engine CAUTION Useonlyareplacementblade approved by the manufacturer of you...

Page 17: ...ne and after each eight 8 hours of operation Tighten oil fill cap dipstick securely each time you check the oil level FIG 12 FIG 11 BATTERY Yourtractorhasabatterychargingsystemwhichissufficient for no...

Page 18: ...urfaces as necessary Make sure the cooling shrouds are reinstalled NOTE Operating the engine with a blocked grass screen dirtyorpluggedcoolingfins and orcoolingshroudsremoved will cause engine damage...

Page 19: ...se suspension arms Slide mower out from under tractor IMPORTANT IFANATTACHMENTOTHERTHANTHEMOWER DECK IS TO BE MOUNTED ON THE TRACTOR REMOVE THE FRONT LINKS AND HOOK THE CLUTCH SPRING INTO SQUARE HOLE...

Page 20: ...F against trunnion on both front links Recheck side to side adjustment TO LEVEL MOWER HOUSING Adjust the mower while tractor is parked on level ground or driveway Make sure tires are properly inflate...

Page 21: ...BRAKE See Fig 21 Your tractor is equipped with an adjustable brake system which is mounted on the right side of the transaxle If tractor requires more than five 5 feet to stop at highest speed in high...

Page 22: ...moval for service or replacement it should be purged after reinstallation and beforeoperatingthetractor See PURGETRANSMISSION in the Operation section of this manual ADJUSTMENT BOLT FIG 23 NEUTRAL LOC...

Page 23: ...ANT YOURTRACTORISEQUIPPEDWITHA12VOLT SYSTEM THE OTHER VEHICLE MUST ALSO BE A 12 VOLT SYSTEM DONOTUSEYOURTRACTORBATTERYTOSTART OTHER VEHICLES TO ATTACH JUMPER CABLES Connect one end of the RED cable to...

Page 24: ...UELSYSTEMPARTSSUCH AS CARBURETOR FUEL FILTER FUEL HOSE OR TANK DURING STORAGE ALSO EXPERIENCE INDICATES THAT ALCOHOL BLENDED FUELS CALLED GASOHOL OR USING ETHANOLORMETHANOL CANATTRACTMOISTUREWHICH LEA...

Page 25: ...gnition switch 7 Check replace ignition switch 8 Faulty solenoid or starter 8 Check replace solenoid or starter 9 Faulty operator presence switch es 9 Contact an authorized service center department E...

Page 26: ...Tighten blade bolt 7 Buildup of grass leaves and trash under mower 7 Clean underside of mower housing 8 Mower drive belt worn 8 Replace mower drive belt 9 Blades improperly installed 9 Reinstall blad...

Page 27: ...never across the face Do not mow slopes greater than 15 degrees Make turns gradually to prevent tipping or loss of control Exercise extreme caution when changing direction on slopes 1 Fold this page a...

Page 28: ...www mcculloch biz...

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