WARNING
Hydraulic fluid escaping under pressure can
penetrate skin and cause injury.
•
If hydraulic fluid is injected into the skin,
it must be surgically removed within a few
hours by a doctor familiar with this type
of injury. Gangrene may result if this is
not done.
•
Keep your body and hands away from
pinhole leaks or nozzles that eject
high-pressure hydraulic fluid.
•
Use cardboard or paper to find hydraulic
leaks.
•
Safely relieve all pressure in the hydraulic
system before performing any work on the
hydraulic system.
•
Make sure that all hydraulic-fluid hoses
are in good condition, and all that the
hydraulic connections and fittings are tight
before applying pressure to the hydraulic
system.
Replacing the Hydraulic Fluid and
Filters
Service Interval:
After the first 50 hours
Every 500 hours/Yearly (whichever comes
first)—Change the hydraulic filters and hydraulic fluid.
Change the hydraulic fluid more frequently in severe
conditions or in a hot operating climate. Contact your
Authorized Service Dealer for a hydraulic kit to replace the
hydraulic filters.
WARNING
Hot hydraulic fluid can cause severe burns.
Allow the hydraulic fluid to cool before performing
any maintenance on the hydraulic system.
1.
Disengage the PTO and set the parking brake.
2.
Shut off the engine and wait for all moving parts to
stop before leaving the operating position.
3.
Remove the fuel tank; refer to
(page 35)
.
4.
Remove the hydraulic-reservoir cap.
5.
Locate the drain plug in the bottom of each
transmission and place a drain pan under the plugs
(
).
Figure 69
1.
Drain plug
2.
Hydraulic filter
6.
Remove the drain plugs.
7.
Allow the hydraulic fluid to fully drain from the
machine.
8.
Remove the hydraulic filter cap and filter from each
transmission.
9.
Install new hydraulic filters with the spring side facing
out and install the filter caps.
10.
Install the drain plugs.
11.
Loosen the vent plug in each transmission so that it is
loose and wobbles (
).
47
Summary of Contents for GrandStand 74504
Page 58: ...Schematics Electrical Schematic Rev A 58 ...
Page 59: ...Notes 59 ...
