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17

MAINTENANCE

V-BELTS

Check V-belts for deterioration and wear after 100 hours 
of operation and replace if necessary. The belts are not 
ad just able. Re place belts if they begin to slip from wear.

TRANSAXLE COOLING

The transmission fan and cooling fins should be kept clean 
to assure proper cooling.

Do not attempt to clean fan or transmission while engine 
is running or while the transmission is hot. To prevent pos-
 si ble damage to seals, do not use high pressure water or 
steam to clean transaxle.
• 

Inspect cooling fan to be sure fan blades are intact and 
clean.

• 

Inspect cooling fins for dirt, grass clippings and other materi-
als.  To prevent damage to seals, do not use compressed 
air or high pressure sprayer to clean cooling fins.

TRANSAXLE PUMP FLUID 

The transaxle was sealed at the factory and fluid main te -
nance is not required for the life of the transaxle.  Should 
the transaxle ever leak or require servicing, contact your 
near est au tho rized ser vice center/department.

ENGINE

LUBRICATION

Only use high quality detergent oil rated with API service 
classification SG-SL.  Select the oil’s SAE viscosity grade 
according to your expected operating temperature.

TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE

SAE VISCOSITY GRADES

-20 0 30 40 

80 

100 

-30 

-20 0  20 30 

40 

 

F

 

C

32 

-10 

10 

60 

5W-30

SAE 30

NOTE:  Although multi-viscosity oils (5W30, 10W30 etc.) 
improve starting in cold weather, these multi-viscosity oils 
will result in increased oil consumption when used above 
32°F.  Check your engine oil level more frequently to avoid 
possible engine damage from running low on oil.

Change the oil after every 25 hours of operation or at least 
once a year if the tractor is not used for 25 hours in one 
year.

Check the crankcase oil level before starting the engine 
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

Your tractor has a battery charging system which is suf fi cient 
for normal use.  However, periodic charging of the battery 
with an automotive charger will extend its life.
• 

Keep battery and terminals clean.

• 

Keep battery bolts tight.

• 

Keep small vent holes open.

• 

Recharge at  6-10 amperes for 1 hour.

NOTE: The original equipment battery on your tractor is 
maintenance free. Do not attempt to open or remove caps 
or covers. Adding or checking level of electrolyte is not 
nec es sary.

TO CLEAN BATTERY AND TERMINALS
Corrosion and dirt on the battery and terminals can cause 
the battery to “leak” power.
• 

Disconnect BLACK battery cable first  then RED  bat-
 tery cable and remove battery from tractor.

• 

Rinse the battery with plain water and dry.

• 

Clean terminals and battery cable ends with wire brush 
until bright.

• 

Coat terminals with grease or petroleum jelly.

• Reinstall 

battery 

(See 

“CONNECT BATTERY” in the 

Assembly sec tion of this manual).

TO CHANGE ENGINE OIL (See Figs. 12 and 13) 

Determine temperature range expected before oil change.  
All oil must meet API service classification SG-SL.
• 

Be sure tractor is on level surface.

• 

Oil will drain more freely when warm.

• 

Catch oil in a suitable container.

• 

Remove oil fill cap/dipstick.  Be careful not to allow dirt 
to enter the engine when changing oil.

• 

Remove yellow cap from end of drain valve and install 
the drain tube onto the fitting. 

024

63

CLOSED 
AND 
LOCKED 
POSITION

YEL LOW CAP

DRAIN 
TUBE

OIL DRAIN VALVE

FIG. 13

• 

Unlock drain valve by pushing inward and turning 
coun ter clock wise. 

• 

To open, pull out on the drain valve. 

• 

After oil has drained completely, close and lock the 
drain valve by pushing inward and turning clockwise 
until the pin is in the locked position as shown. 

• 

Remove the drain tube and replace the cap onto to the 
bottom fitting of the drain valve. 

5/8" BOLT 
OR PIN

BLADE

CENTER HOLE

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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