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Rev. E
Reelmaster 3100--D Hydraulic System (Rev. C)
Page 4 -- 81
3. Make sure manifold is clean before removing the
rotary cartridge valve. Remove the valve and seal kit.
4. Visually inspect the manifoldport and cartridge valve
for damage to sealing surfaces, damaged threads, and
contamination.
A. Contamination may cause valves to stick or hang
up, it can become lodged in small valve orifices or
seal areas causing valve malfunction.
B. If sealing surfaces appear pitted or damaged, the
hydraulic system may be overheating or there may
be water in the system.
CAUTION
Use eye protection such as goggles when using
compressed air.
5. If necessary, clean cartridge valve using clean min-
eral spirits. Submerge valve in clean mineral spirits to
flush outcontamination. Particles as fine as talcum pow-
der can affect the operation of high pressure hydraulic
valves. Clean and dry with compressed air.
6. Reinstall rotary cartridge valve into manifold port:
A. Lubricate new O-rings and backup rings of seal
kit with clean hydraulic oil and install. The O-rings
and backup rings of seal kit must be arranged prop-
erly on the cartridge valve for proper operation and
sealing.
IMPORTANT: Use care when installing cartridge
valves. Slight bending or distortion of the stem tube
can cause binding and malfunction. Make sure that
deep well socket fully engages the valve base.
B. Lubricate threads on cartridge valve with clean
hydraulic oil. Thread rotary cartridge valve carefully
into the manifold port. The valve should go in easily
without binding. Torque valve with deep well socket
to specification shown in manifold illustration.
7. Install knob assembly (manifold shown in Fig. 50):
A. Install locating plate so that the pin seats into the
locating hole.
B. Turn the threaded cartridge valve stem carefully
clockwise until it stops.
C. Face detentplate counterbore down. Thread det-
ent plate down onto the valve stem until it is stopped
by the locating plate. Turn detent plate back counter-
clockwise 1/4 turn.
D. Center one detent plate hole over a locating plate
indentation. Drop a ball into each hole, then drop a
spring into each hole.
E. On the 2-position directional valve cartridge,
place indicatorplate overthe detentplate. Make sure
the arrow points directly atthe number 1 on the locat-
ing plate.
F. On flowcontrol cartridgevalve cartridge,place in-
dicator plate over the detent plate. Make sure the ar-
row points to the right at 45
o
.
G. While pushing down on the indicator plate and
compressing the springs, thread down a jam nut.
While tightening the set screw, tighten jam nut at the
same time using a 7/16 - inch wrench.
H. Threadsecond jam nutall theway down the valve
stem. Apply ”Loctite 242” or equivalent to the valve
stem threads. Screw knob all the way down until it
contacts the upper jam nut.
I. On 2-position directional cartridge valve car-
tridge, turn knob counterclockwise so the arrow is
90
o
with the back of the manifold. Simultaneously
tighten upper jam nut and turn knob so it is tight and
the arrow is pointing 45
o
to the right in line with the
indicator plate.
J. On flow control valve cartridge, turn knob coun-
terclockwise until the arrow points at the number ”5”.
Simultaneously tighten upper jam nut and turn knob
so it is tight and the arrow is pointing at the number
”1” on the locating plate.
1. Handle Base
2. Handle Cap
3. Detent Pin
4. Compression Spring
5. Bushing
6. Set Screw (2 used)
7. Set Screw (2 used)
8. Screw
9. Lip Seal
10. Sleeve Bearing
11. Flow Control Valve
Figure 52
6
5
4
7
9
10
3
2
8
1
11
Hydraulic
System