B. Thread cartridge valve (1 or 14) carefully into the
applicable port (LC1 or R1). The valve should go in
easily without binding. Torque the valve to 35 ft–lb
A. Lubricate new O–ring and backup ring of seal kit
(7 or 17) with clean hydraulic oil and install. The O–
ring and backup ring of seal kit must be arranged
(4.8 kg–m).
properly on the spool valve (15 or 18) for proper op-
eration and sealing.
Spool (Flow Control and Two Position Directional)
Valves (Fig. 58)
B. Thread spool valve (15 or 18) carefully into the
applicable port (FC1 or MD1). The valve should go
1. Remove knob assembly:
in easily without binding. Torque valve to 35 ft–lb
(4.8 kg–m).
A. Unscrew and remove knob (25). Remove both
jam nuts (26).
8. Reinstall knob assembly:
B. Slide off applicable indicator plate (27 or 31) be-
A. Install applicable locating plate (16 or 19) so that
ing careful not to lose springs (24 or 30). Remove
the pin seats into the locating hole.
spring.
B. Turn the threaded spool valve (15 or 18) stem
C. Loosen set screw (29) and slide detent plate (28)
carefully clockwise until it stops.
off the applicable spool valve (15 or 18) stem.
C. Face detent plate (28) counterbore down.
D. Remove the applicable locating plate with pin
(16 or 19) from the spool valve (15 or 18) stem and
manifold block (22).
Thread detent plate (28) down onto the valve stem
until it is stopped by the locating plate (16 or 19).
T
urn detent plate (28) back counterclockwise 1/4
turn.
2. Make sure the manifold is clean before removing
the spool valve (15 or 18).
D.
Center one detent plate hole over a locating
plate indentation. Drop a ball (23) into each hole,
3. Remove the spool valve (15 or 18) and seal kit (7 or
then drop a spring (24 or 30) into each hole.
17).
E. On spool (flow control) valve (15), place indica-
4. Visually inspect the port in the manifold (22) for
tor plate (27) over the detent plate (28). Make sure
damage to the sealing surfaces, damaged threads, and
the arrow points to the right at 45_
.
contamination.
F. On spool (two position directional) valve (18),
5. Visually inspect spool valve (15 or 18) for damaged
place indicator plate (31) over the detent plate (28).
sealing surfaces and contamination.
Make sure the arrow points directly at the number 1
on the locating plate (16).
A. Contamination may cause valves to stick or
hang up. Contamination can become lodged in
G. While pushing down on the indicator plate (27 or
small valve orifices or seal areas causing malfunc-
31) and compressing the springs (24 or 30), thread
tion.
down a jam nut (26). While tightening the set screw
(29), tighten jam nut (26) at the same time using a
B. If sealing surfaces appear pitted or damaged,
7/16 – inch wrench
the hydraulic system may be overheating or there
may be water in the system.
H. Thread second jam nut (26) all the way down the
valve (15 or 18) stem. Apply ”Loctite 242” or equiva-
lent the valve stem threads. Screw knob (25) all the
way down until it hits the upper jam nut (26).
CAUTION
Use eye protection such as goggles when
using compressed air
I. On spool (flow control) valve (15), turn knob (25)
counterclockwise until the arrow points at the num-
ber ”5”. Simultaneously tighten upper jam nut (26)
and turn knob so it is tight and the arrow is pointing at
6. If necessary, clean spool valve (15 or 18) using
clean mineral spirits. Submerge valve in clean mineral
spirits to flush out contamination. Particles as fine as tal-
cum powder can affect the operation of high pressure
hydraulic valves. Use compressed air for cleaning.
the number ”1” on the locating plate (16).
J. On spool (two position directional) valve (18),
turn knob (25) counterclockwise so the arrow is 90_
with the back of the manifold body (22). Simulta-
neously tighten upper jam nut (26) and turn knob so
7. Reinstall the spool valve (15 or 18):
it is tight and the arrow is pointing 45_
to the right in
line with the indicator plate (31).
Hydraulic System Page 4 – 66 Reelmaster 2300–D/2600–D
To Next Page
Loading...
