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Section5: Maintenance
WARNINGBefore inspecting,cleaning or servicingthe unit, shutoff engine, wait for all i_
partsto cometo a completestop,disconnectspark plugwire and movewire away from spark ..,Lol
plug. Failure to follow these instructions can result in serious personal injury or
MI
propertydamage.
TILLERLUBRICATION
Proper lubrication of the tiller is an
essentialpart of maintenance. After
every 10 operating hours, oil or grease
the lubrication points shown in Figures
5-1 and 5-1A and described below.
Usea good quality lubricating oil (#30
weight engineoil is suitable) and a quality
general purposegrease(with a metal
lubricant, ifavailable).
• Removewheels,cleanwheel shaft (A,
Fig.5-1) and apply thin coating of
greaseto the shaft.
• Greaseback,front and sides of depth
regulator lever(B, Fig.5-1).
• Removetines, cleantine shafts (C, Fig.
5-1). Inspectfor rust, rough spots or
burrs (lookaround holes). Fileor sand
smooth, coat ends of shaft with grease.
• Oil the threads on the handlebarheight
adjustment screws and the handlebar
attaching screws (D, Fig.5-1).
• ShiftingMechanism.Lightlyoil pivot
pointsforsmoothoperation(E,Fig.5-1A).
D
A C
Figure5-1
Figure5-1A
CHECKFOROILLEAKS
Beforeeachuse, checkyour tiller for
signs ofan oil leak- usually a dirty, oily
accumulation either on the unit or on the
floor where it hasbeenparked.
A little seepagearound a cover or oil seal
is usually nota causefor alarm. However,
if the oil drips overnight then immediate
attention is neededas ignoring a leakcan
result in severetransmission damage.
If a cover is leaking,try tightening any
loosescrews. If the screws aretight, a
newgasket or oil sealmay be required. If
the leakisfrom around a shaft and oil
seal,the oil sealprobably needsto be
replaced. Seeyour authorizeddealer or
contact the factory for serviceor advice.
IMPORTANT:Never operatethe tiller if
thetransmission is low on oil. Checkthe
oil levelafter every 30 hours of operation
and wheneverthere is anyoil leakage.
CHECKHARDWARE
Checkfor loose or missing hardwareafter
every 10 operating hours. Tighten or
replacehardwarebefore usingthe tiller.
Besure to checkthe screws underneath
thetiller hood (lift the hood flap) that
securethe transmission cover andthe
depth regulator leverto the transmission.
CHECKTIREPRESSURE(on
machines equipped with
pneumatictires)
Checkthe air pressure in both tires.
Deflateor inflateboth tires evenlyfrom
15-to-20 PSi (pounds per squareinch).
Besure that bothtires havethe sameair
pressure or the unit will tend to pull to
one side.
NOTE:Your tiller may not beequipped
with pneumatictires, eliminating the need
for air pressure checks.
TRANSMISSIONGEAROILSERVICE
Checkthe transmission gear oil levelafter
every30 hours of operationor whenever
you notice any oil leak. Operatingthe
tiller when the transmission is low on oil
can result in severedamage.
A. To Checkthe Transmission
GearOil Level:
1. Checkthe gear oil levelwhen thetrans-
mission iscool. Gearoil will expandin
warm operatingtemperatures and this
expansionwill provide an incorrect oil
levelreading.
2. With the tiller on levelground, adjust
the Depth RegulatorLeverup or down to
the notch that makesthetiller level..
3. Removethe oil fill plug (A,Fig. 5-2)
from the transmission housingand look
into the oil fill hole. You will seethe main
drive shaft on one sideof the hole.
4. Thegear oil levelis correct ifthe gear
oil is approximately half way up the side
of the drive shaft.
5. If the gear oil levelis low, add gear oil
asdescribed next. If the gear oil levelis
okay,securely replacethe oil fill plug.
IMPORTANT:Do not operatethetiller if
thegear oil level is low. Doing so will
result in severedamageto the transmis-
sion components.
6. If adding only a few ounces of gear
oil, useAPIrated GL-4or GL-5transmis-
sion gear oil havinga viscosity of SAE
140, SAE85W-140 or SAE80W-90. If
refilling an empty transmission, useonly
GL-4transmission gear oil havinga
viscosity of SAE85W-140 or SAE140.
NOTE:Do not useautomatic transmission
fluid or engine oil in the transmission.
7. While checkingfrequently to avoid
overfilling, slowly add gear oil into the oil
fill hole until it reachesthe halfway point
on the drive shaft.
8. Securely replacethe oil fill plug.
2O