Servicing The Fluid Pump - AIRLESSCO HSS 9000 Service & Operation Manual

Fluid Pump Removal
1. Follow the Pressure Relief Procedure page 11.
2. Flush the material you are spraying out of the machine.
3. Remove the Front Cover (119-099).
4. Slip Retaining Ring (116-106) down to expose the
Piston Pin.
5. Push Piston Pin (119-025) out of the piston pin hole.
6. Loosen Jamb Nut (187-088) until the Fluid Pump can
unthread from the Yoke (186-078).
6
4
5
16

SERVICING THE FLUID PUMP

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Refer to Figure 12
1
3
FIGURE 12
Disassembly of the Fluid Pump - Figure 19
1. Remove Fluid Pump from machine - Refer to Fluid
Pump Removal, Page 16.
2. Remove Inlet Valve Assembly - Refer to Servicing Inlet
Valve, Page 18.
3. Remove Upper Packing Adjustment nut (187-071) from
Outlet Housing (187-076).
4. Remove Pump Cylinder (187-077) from Extension
Tube (187-102), pulling Displacement Rod (187-070)
out through bottom of Outlet Housing. Discard O-ring
(106- 004).
5. Remove Outlet Housing from Extension Tube. Discard
O-ring (106-004).
6. Remove all old packings and glands from Outlet
Housing; retain Male Gland (187-073) and Female
Gland (187-072), they will be re-used unless damaged.
7. Remove Piston End (187-078) from Rod Extension
(187-101).
8. Remove Jam Nuts (187-089 x 2) from Piston End. Remove
all old packings, glands and Scraper (187-083) from Piston
End; retain Male Gland (187-073) and Female Gland
2 (187-072), they will be re-used unless damaged.
9. Disassemble Outlet Valve - Refer to Servicing Outlet
Valve, Page 17.
10. Inspect Displacement Rod and Cylinder inside surface
for wear or damage; thoroughly clean all parts to be re-
used.
FIGURE 12 PARTS LIST
ITEM # PART #
1 186-100
119-099
2
3 119-025
4 116-106
187-088
5
6 186-078
DESCRIPTION
Hydraulic Motor
Front Cover
Piston Pin
Retaining Road
Jamb Nut
Yoke