Reelmaster 5010 Series Hydraulic System (Rev. C)Page 4 -- 89
Removal (Fig. 75)
1. Parkthemachineonalevelsurface,engageparking
brake,lower cutting unitsandstop engine.Removekey
from the ignition switch.
2. Read the General Precautions for Removing and
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
3. Locate hydraulic lift control manifoldthat is attached
to frame bracket under the front platform.
4. Label all hydraulic connections for assembly pur-
poses. Thoroughly clean hydraulic connections prior to
loosening hydraulic lines.
CAUTION
Beforeopening hydraulicsystem,operate allhy-
draulic controls to relieve system pressure and
avoid injury from pressurized hydraulic oil. See
RelievingHydraulicSystemPressureintheGen-
eral Information section of this chapter.
5. Disconnect hydraulic hosesand lines from fittings in
manifold. Allow lines to drain into a suitable container.
Remove and discard O --rings.
6. Put caps or plugs on disconnected lines and fittings
to prevent contamination.
7. Label all solenoid coil wire harness leads for as-
semblypurposes.Unplugwireharnessleadsfromsole-
noid coils on manifold.
8. Remove two (2) flange head screws that secure
manifold to machine frame.
9. Remove lift control manifold from machine.
IMPORTANT: A flow control orifice is placed be-
neath several hydraulic fittings on the lift control
manifold (Fig. 76). The lift manifold uses three (3)
different orifice sizes. If fittings are removed from
manifoldand anorifice isinthemanifoldport, make
sure to remove orifice and label its position for as-
sembly purposes.
10.Ifnecessary,removehydraulicfittingsfrommanifold.
Discard any removed O--rings. Locate, retrieve and la-
bel orifice from manifold ports (if equipped).
Installation (Fig. 75)
1. If fittings were removed from manifold:
A. Lubricate new O--rings with clean hydraulic oil.
Install lubricated O--rings on fittings.
IMPORTANT: When installing orifice in manifold
(Fig. 76), make sure that orifice is flat in t he base
of the fitting cavity. Manifold damage is possible
if the orifice is cocked in the cavity.
B. For manifold ports with orifice, place correct ori-
fice in port with the orifice slot facing out.
C. Install fittings into manifold. Torque fittings to
torque values identified in Figures 75 and 76.
2. Position lift control manifold to frame. Install two (2)
flange head screws but do not fully tighten.
3. Remove caps and plugs from disconnected lines
and fittings.
4. Lubricate and install new O--ring(s) on manifold fit-
tings. Connect hydraulic lines to hydraulic manifold fit-
tings. Properly tighten all connections (see Hydraulic
Fitting Installation in the General Information section).
5. Securehydraulicmanifoldtoframebytighteningtwo
(2) flange head screws.
6. Connect wire harness leads to solenoid coils on
manifold using labels placed during removal.
7. Check oillevel inhydraulicreservoirandaddcorrect
oil if necessary.
8. Follow Hydraulic System Start--up procedures (see
Hydraulic System Start--up in this section).
1. Fitting (2 used)
2. O--ring
3. Orifice (0.046)
4. Orifice (0.028)
5. Fitting (6 used)
6. Orifice (0.055)
Figure 76
4
1
2
5
3
1
2
3
4
2
2
6
6
5
(17 N--m)
10 ft--lb
(17 N--m)
10 ft--lb
(17 N--m)
10 ft--lb
Hydraulic
System
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