HYDROSTATIC
PUMP
IMPORTANT
When repairing
hydrostatic
and hydraulic
systems, clean the
work
area before
disassembly and keep all parts clean. Always
use caps and
plugs
on hoses, tubelines and
ports
to
keep
dirt
out. Dirt can
quickly
damage
the system.
1-200:H>888
Checking The High Pressure Relief Replenishing
Valves
The tool listed will be needed to do the following
procedure:
MEL 1173 - Gauge
Test
Kit
Lift and block the loader. (See PREVENTIVE
MAINTENANCE
Section 1 for the correct procedure.)
Raise the operator cab.
(See PREVENTIVE
MAINTENANCE
Section 1 for the correct procedure.)
If
there
is
a loss of drive
in
one direction, to one side of the
loader, use the following procedure to check the valves.
Remove both plugs and the replenishing valves that
controls the direction of drive that was lost [A).
Switch the replenishing
valves around. Install and tighten
the
plugs.
Connect the remote start switch MEL 1138A. (See
PREVENTIVE MAINTENANCE Section 1.)
Start the engine and check the drive.
If
the loss of drive goes to the other side, the valve which
controls that side
of
the loader must be replaced.
To
Use The Special Tool Kit (MEL 1173)
I
I
A
WARNING
Put jackstands under the
front
axles and rear
corners
of
the frame before
running
the engine
for
service. Failure
to
use jackstands can allow
the machine
to
fall
or
move and cause
injury
or
death.
W-2017-0286
A
-3-11-
741, 742, 743, 743DS Bobcat Loader
Service
Manual
To Next Page
Loading...