Removal (Fig. 54)
Park themachine onalevelsurface, engage parking
3
1.
brake, lower cutting units and stop engine. Remove key
from the ignition switch.
2.
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
Read the General Precautions for Removing and
2
1
CAUTION
Figure 55
1.
Piston (traction) pump
Gear pump
3.
Traction cable bracket
Before opening hydraulic system, operate all hy-
draulic controls to relieve system pressure and
avoid injury from pressurized hydraulic oil. See
Relieving Hydraulic System Pressure in the Gen-
eral Information section of this chapter.
2.
10.Remove
secure traction pump flange to machine frame.
two (2) flange screws and flange nuts that
IMPORTANT: Make sure to not damage machine
components while removing the pump assembly.
3.
thoroughly clean traction and gear pump assembly and
all hydraulic connections.
To prevent contamination of the hydraulic system,
11.
Carefully lift pump assembly from the machine.
4.
Label hydraulic hoses to assist in assembly. Discon-
12.Remove
two (2) socket head screws, lock washers
nect all hydraulic hoses and tubes from fittings on the
traction and gear pump assembly. Allow hydraulic lines
to drain into a suitable container. Plug or cap openings
of pumps and lines to prevent contamination.
and flat washers that secure gear pump to traction
pump. Remove gear pump from traction pump. Locate
and discard o--ring (item 30) from between pumps.
13.If
Note orientation of fittings for assembly purposes.
necessary, remove hydraulic fittings from pumps.
5.
Pump Drive Shaft Removal in this section).
Remove hydraulic pump drive shaft (see Hydraulic
14.If
necessary, remove two (2) lock nuts (item 35) that
6.
Remove cap screw and lock nut that secure plate
secure pump support bracket (item 37) to gear pump.
Remove bracket and two (2) flat washers from gear
pump.
(item 10) to pump lever. Remove two (2) flange head
screws (item 3) that secure cable bracket to traction
pump. Carefully position traction control cable and
bracket away from traction pump.
15.Remove and discard all o--rings from removed hy-
draulic lines and fittings.
7.
Disconnect harness electrical connector from trac-
tion neutral switch and position harness away from
transmission.
Installation (Fig. 54)
1.
If fittings were removed from pump assembly, lightly
lubricate new fitting o--rings with clean hydraulic oil.
Install fittings with o--rings to the pump assembly (see
Hydraulic Fitting Installation in the General Information
section of this chapter). Orientate fittings as noted dur-
ing removal.
CAUTION
Make sure lift or hoist can support the total
weight of the pump assembly before removing
the cap screws from the engine and engine
brackets.Pumpassemblyweighsapproximately
2.
If pump support bracket (item 37) was removed from
gear pump, fit flat washers and bracket to gear pump
and secure with two (2) lock nuts.
67
pounds (30.5 kg).
8.
on traction pump to support pump assembly and for
pump removal.
Connect alift or hoist to hole intraction cable bracket
3. Lubricate and position new o--ring(item 30)between
pumps.Positiongear pumptotractionpumpandsecure
with two (2) socket head screws, lock washers and flat
washers.
9.
38)
bracket to frame.
Loosen and remove two (2) carriage screws (item
and flange nuts (item 36) that secure pump support
IMPORTANT: Make sure to not damage machine
components while installing the pump assembly.
Reelmaster 5010 Series
Page 4 -- 63
Hydraulic System
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