Pilot Valve Assembly
Pilot Valve Assembly
SANDPIPERPUMP
.
COM
13
• Model HDB1
hdb15dl7sm-rev0817
Pilot Valve Assembly
PILOT VALVE ASSEMBLY PARTS LIST
Item
Part Number
Description
3
095.073.001
Pilot Valve Assembly
1
3-A
095.070.558
Valve Body
1
3-B
755.025.000
Sleeve (With O-Rings)
1
3-C
560.033.360
O-Ring (Sleeve)
4
3-D
775.026.000
Spool (With O-Rings)
1
3-E
560.023.360
O-Ring (Spool)
2
3-F
675.037.080
Retaining Ring
1
3-A
3-F
3-D
3-B
3-C
3-E
Pilot Valve Servicing
With Pilot Valve removed from pump.
Step 1:
Remove snap ring (3-F).
Step 2:
Remove sleeve (3-B), inspect O-Rings (3-C),
replace if required.
Step 3:
Remove spool (3-D) from sleeve (3-B),
inspect O-Rings (3-E), replace if required.
Step 4:
Lightly lubricate O-Rings (3-C) and (3-E).
Reassemble in reverse order.
LEGEND:
= Items contained within Air End Kits
Note:
MODEL SPECIFIC
4:
AIR END
hdf3asl7sm-rev0817
SANDPIPERPUMP
.
COM
Model HDF3-A/HDF4-A •
12
4:
AIR END
hdf3dl2sm-rev1218
sandpiperpump
.
com
16
• Model HDF3M/HDF4M
MODEL SPECIFIC
4: AIR
END
