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2
Safe ty Rules ..........................................2-3
Warranty...................................................4
Prod uct Spec i fi ca tions..............................5
Assembly / Pre-Operation ........................6
Op er a tion.............................................7-11
Maintenance Sched ule...........................12
Maintenance......................................12-15
Ser vice and Ad just ments...................15-16
Stor age..............................................17-18
Trou ble shoot ing.................................18-19
Re pair Parts.......................................38-46
TABLE OF CONTENTS
IMPORTANT: This cutting machine is capable of amputating hands and feet and throwing ob-
jects. Failure to observe the following safety instructions could result in serious injury or death.
Look for this symbol to point out im-
por tant safety precautions. It means
CAU TION!!! BECOME ALERT!!!
YOUR SAFE TY IS INVOLVED.
WARNING: In order to prevent ac ci den tal
starting when setting up, trans port ing, ad-
just ing or making repairs, always dis con nect
spark plug wire and place wire where it can not
come in contact with plug.
WARNING: Engine exhaust, some of its
constituents, and certain vehicle com po -
nents contain or emit chem i cals known to
the State of Cal i for nia to cause can cer and
birth defects or oth er re pro duc tive harm.
WARNING: Battery posts, terminals and
related accessories contain lead and lead
compounds, chemicals known to the State
of Cal i for nia to cause can cer and birth
defects or oth er re pro duc tive harm. Wash
hands after handling.
CAUTION: Muffl er and other engine
SAFETY RULES
parts become extremely
hot during operation and
remain hot after engine
has stopped. To avoid
severe burns on contact,
stay away from these areas.
I. GENERAL OPERATION
• Read, understand, and follow all
in struc tions on the machine and in the
manual(s) before starting. Be thor ough ly
familiar with the controls and the proper
use of the machine before starting.
• Do not put hands or feet near or under
rotating parts. Keep clear of the dis-
charge opening at all times.
• Only allow responsible individuals, who
are familiar with the in struc tions, to
operate the machine.
• Clear the area of objects such as rocks,
toys, wire, bones, sticks, etc., which could
be picked up and thrown by blade.
• Be sure the area is clear of other people
before mowing. Stop the ma chine if
anyone enters the area.
• Do not operate the mower when bare-
foot or wearing open sandals. Al ways
wear substantial foot wear.
• Do not pull mower backwards unless abso-
lutely nec es sary. Always look down and be-
hind before and while moving backwards.
• Never direct discharged material toward
anyone. Avoid discharging material
against a wall or obstruction. Material may
richochet back toward the operator. Stop
the blade when crossing gravel surfaces.
• Do not operate the mower without prop-
er guards, plates, grass catcher or oth er
safety protective devices in place.
• See manufacturer’s instructions for
proper operation and installation of
accessories. Only use accessories ap-
proved by the manufacturer.
• Stop the blade(s) when crossing grav el
drives, walks, or roads.
• Stop the engine (motor) whenever you
leave the equip ment, before clean ing
the mower or unclogging the chute.
• Shut the engine (motor) off and wait
until the blade comes to complete stop
before removing grass catcher.
• Mow only in daylight or good artifi cial light.
• Do not operate the machine while under
the infl uence of alcohol or drugs.
• Never operate machine in wet grass.
Always be sure of your footing: keep a
fi rm hold on the handle; walk, never run.
• Disengage the self-propelled mech-
a nism or drive clutch on mowers so
equipped before starting the engine.
• If the equipment should start to vi brate
abnormally, stop the engine (motor) and
check immediately for the cause. Vibra-
tion is generally a warning of trouble.
• Always wear safety goggles or safe ty glass-
es with side shields when op er at ing mower.
II. SLOPE OPERATION
Slopes are a major factor related to slip &
fall accidents which can result in severe
injury. All slopes require extra caution. If
you feel uneasy on a slope, do not mow it.
47
MODEL NUMBER XT173-0084
KOHLER 4-CYCLE ENGINE
EXHAUST
KEY PART
NO. NO. DESCRIPTION
1 14 314 04-S Shield, Muffl er
2 14 068 05-S Kit, Muffl er (Includes
Muffl er Gasket)
3 14 072 06-S Kit, Exhaust Hardware
(Includes Muffl er Gasket,
Exhaust Studs and
Flanged Lock Nuts)
HEAD / VALVE / BREATHER
KEY PART
NO. NO. DESCRIPTION
1 14 017 01-S Valve, Intake
2 14 016 01-S Valve, Exhaust
3 14 841 04-S Kit, Head Gasket
(Includes Key Number 6
and Muffl er Gasket)
4 24 072 06-S Stud, M6 x 1.0 x 93
5 14 318 01-S Kit, Cylinder Head
(Includes Key Numbers
4 and 16)
6 14 041 05-S Kit, Carburetor Gasket
7 14 755 02-S Kit, Valve Train
(Includes Key Numbers
1, 2, 8–12, Valve Stem
Seal, Valve Springs,
Push Rod Guide Plate,
Cylinder Head Dowels
and Push Rods)
8 14 186 02-S Arm, Rocker
9 14 599 01-S Pivot, Rocker Arm
10 14 100 01-S Nut, Hex, Jam
11 14 072 02-S Stud, Rocker Arm
12 14 018 02-S Retainer, Valve Spring
13 14 041 01-S Gasket, Valve Cover
14 14 096 05-S Kit, Valve Cover (In-
cludes Key Number 13)
15 25 086 140-S Screw, Flanged,
M8 x 1.25 x 55
16 14 072 06-S Kit, Exhaust Hardware
(Includes Muffl er Gasket,
Exhaust Studs and
Flanged Lock Nuts)
FUEL SYSTEM
KEY PART
NO. NO. DESCRIPTION
1 14 065 12-S Kit, Fuel Tank
(Includes Key Number 2)
2 14 227 04-S Fuel Cap Assembly
3 14 050 14-S Filter, Fuel, In-Nipple
4 14 237 04-S Clamp, Hose
5 25 111 34-S Line, Fuel
(24” - Cut To Length)
6 25 086 275-S Screw, Shoulder
7 14 268 04-S Diaphragm Assembly
8 14 041 05-S Kit, Carburetor Gasket
(Includes Carburetor
Heat Shield Gasket
and Air Cleaner
Base Gasket)
9 14 237 05-S Clamp, Hose
10 14 853 27-S Kit, Carburetor, with
Gaskets (Includes Key
Number 8)
11 14 112 02-S Spacer, Carburetor
12 24 072 06-S Stud, M6 x 1.0 x 93
13 M-641060-S Nut, Flanged, M6 x 1.0
14 14 187 01-S Arm Assembly
15 25 086 277-S Screw, Thread
Forming (M4)
Not Illustrated:
- - 14 757 01-S Kit, Carburetor Repair
(Includes Key Number 8)
CRANKCASE
KEY PART
NO. NO. DESCRIPTION
1 14 050 01-S Kit, Breather Filter
(Includes Breather Cover
Gasket, Breather Cover
Spring, Breather Filter
and Breather Reed)
2 14 032 02-S Seal, Oil
3 14 032 04-S Seal, Oil
4 17 030 12-S Bearing, Ball
5 14 380 06-S Dowel, Cylinder Head
6 14 018 03-S Retainer, Piston Pin
7 14 067 01-S Connecting Rod