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clockwise a few turns. Adjust both front 
and rear Deck links as necessary. 
Retighten nuts.

f.

Raise the mowing deck to the transport 
position using the transport lever.

g.

Use the transport lever to lower the mow-
ing deck to the cutting position and repeat 
step “b.” above to make sure that the 
desired cutting height has been attained. If 
the dimensions are not correct, repeat 
steps “c.” through “f.” above.

5.

Lubricate all fittings listed in the mainte-
nance section.

D. Zero Turn Break-In And Operating 
Procedures

DANGER:

Reread the “When Mowing” Safety Precautions.

The following procedures are suggested for opera-
tors of ride-on machines which have zero turn 
capabilities.

1.

Orientation:

a.

Read the entire Operator’s Manual.

b.

Sit on the machine, adjust the seat before-
and-after, then adjust the speed/directional 
(lap bar) controls (they can be adjusted up-
and-down — 9/16" wrench required). 
Optional lapbar can also be adjusted fore 
and aft.

c.

Become familiar with all of the machine 
controls, instrumentation, safety and 
instruction signs, and safety devices.

d.

Move (or have moved) the machine to a 
safe, level area with no obstructions includ-
ing objects, pedestrians, and animals.

2.

Initial Operation:

a.

Use protective equipment for eyes, hands, 
hearing, feet, legs, head and other areas of 
the body if needed — safety eye glasses, 
gloves, earplugs, boots, hats, etc.

WARNING:

Hearing Protection is required for all operator
exposure exceeding two (2) hours.

b.

Ensure that the area is free of animals and 
bystanders, especially children!

c.

Survey the area where the equipment is to 
be used to make sure it is free of debris, 
sticks, stones, wires, bones, and other for-
eign objects which could cause injury to 

bystanders, damage to the machine, or 
damage to nearby facilities.

d.

Inspect the machine to make sure:

1. All guards, shields (including mower 

chute deflector) are in their proper place, 
are secure, and are functional.

2. That there are no spilled or leaking fuel 

or oil sources, nor loose fuel or hydraulic 
tank caps, hoses or fittings.

3. That there are no loose or missing hard-

ware nor any missing items.

4. That no non-approved devices are 

installed.

5. That all safety signs and decals are 

properly installed and legible.

e.

This is a one person machine, operator 
only! Riders are not permitted under any 
circumstance!

f.

To start the engine on the machine:

1.

Make sure the park brake is set to the 
“UP” position, both lap bars are in the 
neutral/start (opened-out) position, and 
the Power Take Off (PTO also referred to 
as blade control switch) is in the “off” 
(down) position.

2.

Push the choke control forward to the on 
position and the engine speed control 
(throttle) forward (half way).

3.

Insert the ignition key, turn the switch 
toward the spring-loaded “Start” position, 
maintain the Start position until the 
engine begins to run, then release the 
switch (it will return to the “Run” posi-
tion).

4.

Retard the choke slowly by pulling it 
rearward. If the engine is “cold”, the 
choke may need to be partially applied 
for a few minutes. Be sure to totally pull 
the choke to the off position after the 
engine has “warmed up”.

g. Check safety devices:

1.

With the park brake engaged, move one 
of the lap bars (speed/directional control) 
from the neutral/start position to the neu-
tral position (out of the slot, toward the 
center of the machine)  — the engine 
should stop running. Move the lap bars 
back to the neutral/start position and the 
engine should run.

2.

Repeat this procedure with the opposite 
side lap bars.

3.

With the park brake engaged and the lap 
bars in the neutral/start position, 
advance the engine speed control com-
pletely forward (Hi-idle), engage the PTO 
control switch (pull upward), then lift off 
the seat — the engine should stop run-

Summary of Contents for 18HP

Page 1: ...Hydrostatic Zero Turn Riding Mower OPERATOR S AND SERVICE MANUAL MODEL 18HP Kohler 48 Stamped Deck...

Page 2: ...nance and Service 14 A Mower Deck 14 B Hydraulic Oil 16 C Electrical System 17 D Tires 19 E Brakes 19 F Hydraulic System 20 G Storage 21 Maintenance Schedule 22 Performance Adjustments 24 A High Speed...

Page 3: ...dependable service CAUTION Only thoroughly trained persons should operate and maintain this mower This machine can cause serious injury to anyone who mis uses it and does not understand its operation...

Page 4: ...alled 6 Do not check for hydraulic leaks with any part of the body 7 Do not add fuel to a machine when the engine is running and or the exhaust system is hot 8 Keep machine clean and free of debris gr...

Page 5: ...holes sprinkler heads and other hidden hazards 7 Avoid driving too close to trees creeks ditches sand traps and other obstacles 8 Before backing up check behind you and watch where you re going 9 Alwa...

Page 6: ...DANGER Part Number 00030633 Part Number 01003859 Part Number 01003858 Part Number 01003449 KEEP HANDS and FEET AWAY DANGER TO R ED U CE TH E R ISK OF INJ URY D O N O T O P E R ATE M OW E R U N L E S S...

Page 7: ...driven power take off from engine Controls Engine ignition and start switch throttle choke left and right steering levers electric blade clutch switch parking brake mower deck lift Parking Brake Inte...

Page 8: ...ing deck to the trans port position Always allow other vehicles to have the right of way l If you hit a solid object while mowing turn off the blade clutch switch place the steer ing levers in the neu...

Page 9: ...wed B Controls 1 Engine Ignition and Start Switch See Fig ure 1 Located on the instrument housing below the right side of the operator s seat When the key is inserted and turned clock wise 45 degrees...

Page 10: ...ism depress the foot pedal move the hand lever outward and slowly reduce foot pedal effort to lower the mechanism To service the unit Remove the hairpin clip from the locking pin and remove the pin fr...

Page 11: ...ing and excessive wear Replace if any of these are detected d Replace the deck cover 4 Adjust the Mowing Deck The cutting height is set anywhere in the range of 1 1 2 to 4 You may need to adjust the m...

Page 12: ...es d Inspect the machine to make sure 1 All guards shields including mower chute deflector are in their proper place are secure and are functional 2 That there are no spilled or leaking fuel or oil so...

Page 13: ...ind the machine and use extreme care 2 Slowly move both lap bars toward the rear of the machine until the machine begins to move rearward Release the lap bars and the machine should stop The more the...

Page 14: ...m grip on the steering levers operate them smoothly and avoid any sudden movements of the levers when starting or stopping g To go forward move both steering levers slightly forward and the mower will...

Page 15: ...reverse the above process and tighten nut to 100 120 ft lb WARNING Never mow with dull blades Blades that are bent should be replaced The cutting blades are sharp and can cause severe injury Wrap the...

Page 16: ...Oil use SAE20W 50 a Place the Mower on a level surface and engage the parking brake b Stop the engine and remove the key from the ignition switch c Clean the area around the Hydraulic Oil fill neck d...

Page 17: ...ap Replace control panel b Clean the battery before storing A dirty battery will lose its charge over time c Store the battery with a full charge A dis charged battery will freeze refer to the table b...

Page 18: ...ion the parking brake engaged and the blade clutch switch off swing the left steering lever up to the operating position and try to start the engine The engine should not start If it does the left ste...

Page 19: ...the axle assembly through one side of the caster yoke through a spacer sleeve a spare wheel the other spacer sleeve and finally through the other side of the caster yoke Then tighten the locknut on t...

Page 20: ...oil tank place a 2 gallon drain pan under the drain plug on the bottom of the hydraulic oil tank Remove the drain plug drain the tank then replace the plug Place the drain pan under the filter and re...

Page 21: ...al position and place the steering lever on the side you adjusted up to the operating position If you feel a slight push forward or a slight pull backward from the neutral position you must adjust the...

Page 22: ...and the hydro drive belt g Check the blades Make sure they are sharp and that the blade securing cap screws are tight h Check the cutting height 2 When ready to start the engine a Check the five safe...

Page 23: ...and Down Pivots Seat Hinge Steering Lever Linkage Rod End Bearings Lever Return Assembly Rod End Bearings Pump Control Lever Pivots Brake Lever Pivot Clevis Pin Brake Lever Control Rod Pivot Brake Co...

Page 24: ...ay on the right hand operator con trol panel see Fig 1 on page 8 of the manual This display defaults to Tachometer mode when engine is running 4 Move the throttle lever to the high speed posi tion and...

Page 25: ...b In the full forward position 1 Operator s back should stay in contact with the seat back 2 Lap bars should not contact operator s legs c In the full reverse position 1 Lap bars should not contact th...

Page 26: ...e upper nut to raise the deck and loosening the nut to lower the deck The right front blade tip height is fixed so you must adjust the left front tip to match it 7 Measure the blade to ground height a...

Page 27: ...27 WIRING DIAGRAM...

Page 28: ...e caused by unauthorized attachments or modification or f any other abuse or misuse of the equipment 3 EXCLUSIVE WARRANTY THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES OR REM...

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