Servicing The Pump Assembly 155-559 • 745 / 960 - Titan PowrCoat 0533730C Operating Manual

Servicing
8.3 Servicing the Fluid Pump Assembly P/N 155-559
4
19
18
22
0533745W
0533745C
0533960W
0533960C
3
5
21
2
1
6
16
15
14
GB
Technical Data
Displacement Rod Area
Stroke Length
Displacement Volume /
Stroke
Displacement Volume / 40
Cycles / 80 Strokes
Motor Selection
17
Motor Pump Ratio
13
use of non-Titan manufactured service parts
may void warranty.
20
Attention
The 155 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
on one stroke or another. The use of Titan Piston Lube Part #
314-480 is recommended as an upper packing lubricant. DO
NOT SUBSTITUTE oil, water or solvent for an upper packing
lubricant.
12
Disassembly Procedure
1. Test pump before disassembly. Follow test procedure in
Troubleshooting Guide - Fluid Section.
2. Loosen the four screws that secure the shield assembly
to the plate. Loosen the two screws that secure the two
halves of the shield together and remove the shield.
3. Remove siphon hose assembly. Remove stanchion nuts
8
(1) and washers (2).
4. Hold the air motor piston rod (3) at the wrench flats and
unthread coupling nut (4) to separate pump from motor
9
Never use a pipe wrench, pliers, etc. on the
chrome part of hydraulic, air or fluid section
rod.
10
Attention
5. Remove coupling nut (4) on connecting rod (5). Remove
connecting rod (5) from displacement rod (6).
11
6. For easier disassembly, unthread and remove foot valve
(7).
7. Remove O-ring (8), ball stop (9), ball cage (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
7
flats to remove the displacement rod (6) from the piston
seat (13).
11. Remove lower packing set (14), spring (15), washer (16),
and ball (17).
12. Remove upper packing spring (18), packing set (19) and
O-ring (20).
13. Clean and inspect all parts. Inspect displacement rod's
(6) and cylinder's (12) chrome for grooves, dents or worn
areas. Replace if hard chrome is damaged. Inspect valve
seats and replace if cracked or worn.
22
.976 in2 (6.3 cm2)
4 in. (10.2 cm)
3.9 in3 (63.9 cm3); 0.064 liter
312 in3 (5113 cm3); 1.35 gal
(5.113 liter)
700/900 Series
45:1 (745) / 60:1 (960)
PowrCoat