50960025/CP0514
70
PRINTED IN U.S.A.
2.
Remove the fill/check plug. Fill the differential
with fresh oil as specified in the
Lubrication
chapter. When the oil flows from the check hole,
replace the plug. Wait 10 to 15 minutes and repeat
this process until the axle is full.
Repeat this procedure with the other axle.
Axle Planetary Hubs
The hubs have one plug each used for draining and fill-
ing
(see illustration)
.
1.
Position the wheel until the oil level arrow points
down. Remove the drain/fill plug and allow the
oil to drain. Replace the plug.
IMPORTANT:
DO NOT discharge oil onto ground.
Catch and dispose of per local waste disposal
regulations.
2.
Re-position the hub so the oil level arrow is hori-
zontal. Fill with fresh oil as specified in the
Lubrication
chapter. When the oil runs out, install
the drain/fill plug.
Repeat this procedure on the three remaining hubs.
CHECKING ALTERNATOR AND FAN
BELT CONDITION
Refer to the engine manual for proper fan belt tension
adjustment and replacement procedures. If the belt
shows wear or cuts, it should be replaced. Order a
replacement belt from your Manitou Americas dealer.
CHECKING EXHAUST SYSTEM
Examine the entire exhaust system for possible holes
and leaks. Re-tighten any loose clamps and make sure
the manifold outlet gasket is not leaking.
NOTE:
Perform all other service requirements
up to this point, as well as the following:
CHECKING HYDRAULIC SYSTEM
RELIEF PRESSURES
Pressure settings for relief valves are pre-set at the fac-
tory. Three test ports are provided under the front hood
access cover.
Before conducting any test port pressure checks, check
the engine speed. Engine speed must be 800 rpm at low
idle and 2500 to 2550 rpm at high idle.
NOTE:
Pressure checks should be made with
engine at low idle.
Steering Relief Pressure
Plug a 3000 psi (207 bar) oil-or liquid-filled gauge into
the test port labeled ”SP.” Cramp the steering fully to
the right or left. The gauge should read 2500 psi (172
bar).
Joystick and Parking Brake Release
Pressure
Plug a 1000 psi (70 bar) gauge into the port labeled
“JP.” With the engine running, the gauge should read
350 psi (24 bar).
Main Relief Pressure
Plug a 3000 psi (207 bar) oil-or liquid-filled gauge into
the test port labeled “MP.” Fully retract the boom over
the relief valve. The gauge should read 3000 psi (207
bar).
Service Every 2000 Hours or Two Years
Test ports under
front hood
access cover.
Drain Plug
Fill Plug
Check Plug
Plug in drain
position.