Servicing The Pump Assembly 185-551 • Sc30 / Sc40 - WAGNER SuperCoat 0556730W Operating Manual

Servicing
8.2 Servicing the Fluid Pump Assembly P/N 185-551
3
4
5
19
18
6
0556730W
0556730C
0556940W
0556940C
21
2
1
16
15
14
GB
Technical Data
Displacement Rod Area
Stroke Length
Displacement Volume /
Stroke
Displacement Volume / 40
Cycles / 80 Strokes
Motor Selection
Motor Pump Ratio
17
13
The following procedure must only be
i
performed by a Wagner Authorized Service
20
Center.
use of non-Wagner manufactured service parts
may void warranty.
Attention
The 185 Series Pump should receive a routine servicing after
approximately 1000 hours of use or earlier if there is excessive
leakage from the top packing, or if pump strokes become faster
12
on one stroke or another. The use of Wagner EasyGlide Part #
0508619 is recommended as an upper packing lubricant. DO
NOT SUBSTITUTE oil, water or solvent for an upper packing
lubricant.
Disassembly Procedure
1. Test pump before disassembly. Follow test procedure in
8
Troubleshooting Guide - Fluid Section.
2. Loosen the four screws that secure the shield assembly
10a
to the plate. Loosen the two screws that secure the two
10
halves of the shield together and remove the shield.
3. Remove siphon hose assembly. Remove stanchion nuts
(1) and washers (2).
4. Hold the air motor piston rod (3) at the wrench flats and
11
unthread coupling nut (4) to separate pump from motor.
Never use a pipe wrench, pliers, etc. on the
9
chrome part of hydraulic, air or fluid section
rod.
Attention
5. Remove coupling nut (4) on connecting rod (5). Remove
connecting rod (5) from displacement rod (6).
6. For easier disassembly, unthread and remove foot valve
(7).
7
7. Remove Teflon O-ring (8), Buna O-ring (9), ball cage
assembly (10) and ball (11).
8. Remove cylinder (12).
9. Remove displacement rod (6).
10. Place piston seat (13) in a vise and use a wrench on the
flats to remove the displacement rod (6) from the piston
seat (13).
11. Remove lower packing set (14), spring (15), spring
retainer (16) and ball (17).
12. Remove upper packing spring (18), packing set (19) and
O-ring (20).
20
8,90 cm2
10,2 cm
90,9 cm3; 0,091 liter
7272 cm3; 7,27 liter
700/900 Series
30:1 (SC30) / 40:1 (SC40)
SuperCoat