Spool Valve Repair
10
312879E
Spool Valve Repair
Before performing any maintenance on applicator, read
all warnings on front cover of this manual and performd
Spool Valve Removal
NOTE:
Spool (3) and/or seat (36) may be rotated 180°
for extended life if they are not worn through completely.
1. Remove swivel (17), o-ring (7) and seat (36).
2. Remove nut (13), screw (15), washer (14) and
handle (1). Remove plate (2), clip (31) and washer
(30).
3. Remove spool (3) from housing (9).
Spool Valve Installation
1. Apply grease (supplied with Kits 289916 and
289918) to spool, o-rings and bearings and inside of
housing.
2. Assemble o-rings and bearings onto spool. Align
bearing (4a, 4c) gaps away from ports in housing.
3. Install spool in housing. Secure with washer (30),
and clip (31).
4. Install plate (2) onto spool (note location of
orientation hole). Install handle with screw, washer
and nut.
5. Apply grease to o-ring (7). Install seat (36), o-ring
(7) and swivel (17).
Technical Data
Maximum fluid working pressure
1000 psi (6.9 MPa, 69 bar)
Maximum air working pressure
250 psi (1.7 MPa, 17 bar)
Air Requirements
30 scfm (0.84 m3/min) Maximum
Fluid Inlet Size
1 in.(m) cam and groove (Graco HP)
Air Inlet Size
1/4 npsm(m)
Wetted Parts
Aluminum, stainless steel, PE, POM, polyurethane, nitrile, nylon, PVC, tungsten carbide
Weight †
2.9 lb (1,3 kg)
Height
5.8 in. (14,7 cm)
Width
7.0 in. (17,8 cm)
Length †
12.7 in. (32,3 cm)
Sound Data without Air (applicator
only):
Sound Pressure Level
84dB(A)*
Sound Power Level
83dB(A)*
Sound Data with Air (applicator only):
Sound Pressure Level
118dB(A)*
Sound Power Level
118dB(A)*
* Spraying simulated acoustical texture under typical conditions as specified by the material manufacturer.
† Airless configuration