2. Open the radiator drain cock. Remove the water
jacket drain plug from the engine block. When all
coolant is drained, flush the system with clean fresh
water. Allow the flush to drain completely.
3. Replace all drain plugs and tighten the radiator
drain cock. Clean out the cooling fins in the radiator
with water pressure or steam.
NOTE: When cold weather is expected, fill the
cooling system with a 50-50% mixture of water
and ethylene glycol anti-freeze.
4. Inspect the radiator cap seal before installing it.
Replace it if it appears defective. The 10 PSI (69
kPa)pressure cap and engine thermostat work in con-
junction with each other to maintain proper engine
cooling.
NOTE: Check the engine temperature lamp,
every minute or two, after coolant has been
changed. Air pockets can form. It may be neces-
sary to refill the cooling system after a short peri-
od of use, as the air will naturally bleed out of the
system.
CHANGE HYDRAULIC RETURN
FILTER ELEMENT
This element is a cartridge type accessible from a hous-
ing on top of the hydraulic reservoir. Initial replace-
ment is after the first 100 hours. See illustration.
NOTE: Perform all other service requirements
up to this point, as well as the following:
CHANGE TRANSMISSION OIL & FILTER
Operate the machine long enough to warm up the
transmission oil. Shut down the engine. Access to filter
and drain plug is from underneath the machine.
Proceed as follows:
1. Remove the drain plug and drain out old oil.
Replace the drain plug.
IMPORTANT: DO NOT discharge oil onto
ground. Catch and dispose of per local waste dis-
posal regulations.
2. Remove and discard the oil filter. Wipe the sealing
surface on the transmission with a clean cloth. Apply a
thin coat of clean oil to the new oil filter gasket. Spin
tighten.
3. Refill the transmission with new oil as shown in
the Lubrication chapter of this manual.
IMPORTANT: DO NOT OVERFILL! lf the oil
level is too high, oil foaming, excessively high oil
temperature and oil leakage at the seal could
result.
4. Start and run the machine long enough for the oil
to circulate and warm slightly. Recheck the level with
the dipstick.
CHANGE RADIATOR COOLANT
Drain, flush and refill the cooling system as follows:
IMPORTANT: DO NOT discharge coolant onto
ground. Catch and dispose of per local waste dis-
posal regulations.
1. Loosen the radiator cap to its stop. This will
release any system pressure. Remove the cap when all
pressure is bled off.
Service Every 1000 Hours
WARNING
Remove the radiator cap only when the engine
is cool, or painful burns could result.
Reservoir Filter Removal
Housing Top
Filter Element
Filter Housing
TOP OF
RESERVOIR
WARNING
When servicing the hydraulic system, lower
the boom to the ground.
PRINTED IN U.S.A. 47 907879/AP1198
Courtesy of CraneMarket.com
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