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MAINTENANCE
COOLING SYSTEM - Continued
Removing
the Fan
1. Take out the cap screws from the
fan housing sheet on the left side of the radi-.
ator and remove the sheet.
2. Remove the cap screws which secure
the fan blades to the front of the water
pump.
Lift out the fan, being careful not to
injure the radiator
fins.
3. Inspect the fan for wear or damage.
H the blades are bent, straighten them be-
fore reinstalling
the fan.
4. To install the fan, reverse
the pro-
cedure for removing.
111ust. 50
Removing thermostats.
Removing the Thermostats
The 4 thermostats
can be removed in the
following manner:
L. Drain the cooling system.
2. Loosen the hose on the air cleaner
pipe and slide the hose onto the pipe; re-
move the nuts from the studs "A"
(Ll luet .
50)
and remove the pipe.
3. Loosen the hoses on the water out-
let header and slide the hoses onto the
pipes.
4. Remove the cap screws "C."
5. Raise the water outlet header and
remove the thermostats
"B."
6:
Do not attempt to repair a defective
thermostat .. They can be tested for operation
by putting them in a pan of water.
Heat the
water and use a thermometer
to check if the
thermostats
open at the correct
temperature
and close when the water cools.
7. To install thermostats,
reverse
the
procedure
for removing ..
8. When reinstalling
the outlet header,
be sure the gaskets are in good condition;
if not, replace the gaskets.
Description
ENGINE CLUTCH
The engine clutch is a 16 inch, 2 plate,
over-center
clutch.
The clutch is engaged
when the lever is pulled back all the way so
that full over-center
engagement is defi ..
nitely felt.
111ust. 51
Clutch compartment drain.
Maintenance
The engine clutch requires
a minimum
of attention.
It is very important to observe closely
the instructions
contained in the "
LUBR 1_
CATION GUIDE" on pages ~2 and ~3.
When operating the tractor
in water or
under very wet conditions or under extreme-
ly dusty conditions, water or dust may enter
the clutch compartment
through the hole in
th~ b<:>ttom of the ~lywheel housing.
To avoid
fh is , tns ez-t a 3/4 tnch pipe plug into this
hole.
This plug should be removed after
every 60 hours of operation to allow any oil
accumulation
to drain out.
58
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