Pump Removal and Installation
Removal
1. Park machine on a level surf
ace, lower cutting units,
engage parking brake and stop the engine. Remove key
from ignition switch.
2. Raise seat and secure w
ith prop rod to get access to
pump (Fig. 91, 92).
3. Drain the hydraulic reservoir.
4. To prevent contamina
tion of hydraulic system during
removal, thoroughly clean exterior of pump and fittings.
5. Disconnect hydraulic lines from pump and put caps
or plugs on open hydraulic lines and fittings. Label
disconnected hydraulic lines for proper reassembly.
6. Remove two (2) capscr
ews and washers securing
pump to support plate. Remove pump, transmission
coupling, and pump sleeve.
Installation
1. Lubricate a new o-ring with clean hydraulic oil and
install on pump (Fig. 92).
2. Install Pump sleeve on transmission output shaft.
3. Install transmission coup
ling on pump shaft and
install pump on to transmission adapter. Secure pump
and transmission adapter to support plate with two (2)
capscrews and lock washers.
4. Replace
hydraulic filter and fill hydraulic reservoir with
new hydraulic oil.
5. Disconnect fuel stop solenoid electrical connector on
engine to prevent engine from starting. Prime the hy-
draulic pump by turning the ignition key switch to crank
the engine for 10 seconds. Repeat cranking procedure
again.
6. Connect fuel stop solenoid electrical connector, start
the engine and check for proper operation.
7. Stop the engine and
check for hydraulic oil leaks.
Check hydraulic reservoir oil level.
1
Figure 91
1. Pump
1
2
4
5
7
3
6
Apply Loctite 242 to
splines of pump shaft
Figure 92
1. Capscrew 5. Pump sleeve
2. Lockwasher 6. Transmission adapter
3. O-ring seal 7. Support plate
4. Transmission coupling
Mowing Circuit Repairs Page 4 - 58 Reelmaster
®
5100-D
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