© Titan Tool Inc. All rights reserved. 5
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Item Part # Description Quantity
1 239-103 Rod, connecting........................................1
2 862-701 Nut, jam ....................................................1
3 866-601 Nut, jam ....................................................1
4 175-981 Rod, displacement (cart mount) ...............1
0533202 Rod, displacement (drum mount)
5 176-918 Nut, packing..............................................1
6 176-006 Wear, ring .................................................1
7 174-903 Block, pump ..............................................1
8 175-001 Packing set, upper ....................................1
9 176-005 Gasket, nylon............................................1
10 173-932 Cylinder, 5 gallon (cart mount) .................1
239-933 Cylinder, 55 gallon (drum mount) .............1
11 239-004 Rod, lower connecting (drum mount only) 1
12 866-601 Nut, jam (drum mount only) ......................1
13 173-130 Body, piston ..............................................1
14 920-103 Ball, SS .....................................................1
15 0507512 Packing set, cup .......................................2
16 176-919 Washer, SS ..............................................1
17 174-922 Seat, piston...............................................1
18 174-001 O-ring,
PTFE ............................................1
19 138-036 Ring, retainer ............................................1
20 173-134 Ring, ball stop ...........................................1
21 742-223 O-ring ........................................................1
22 173-132 Pin, ball stop .............................................1
23 173-136 Body, foot valve ........................................1
24 314-180 Ball, SS .....................................................1
25 173-133 O-ring, PTFE ............................................1
26 174-990 Seat, foot valve .........................................1
27 0507511 Ring, retainer ............................................1
173-051 Service kit, minor (includes items 6, 8-9,
14-16, 18, 21, 24-25)
173-502 Service kit, major, drum mount (includes
items 4, 10, 17, 23 and minor service kit
173-051).
173-503 Service kit, major, cart mount (includes
items 4, 10, 17, 23 and minor service kit
173-051).
Service Instructions
IMPORTANT: USE OF NON-TITAN MANUFACTURED
SERVICE PARTS MAY VOID WARRANTY.
Disassembly
1. Disconnect Upper Connecting Rod (1).
2. Remove lower stanchion nuts and washers.
3. Remove pump assembly from air motor.
4. Hold pump block (7) in vise, and remove pump cylinder
(10) with foot valve intact.
5. Pull displacement rod (4) down and remove from the pump
block.
6. Hold displacement rod (4) in vise and remove piston seat
(17), packing set (15), ball (14), and piston body (13).
7. Hold foot valve (23) in vise and unthread pump cylinder
(10). Remove O-ring (18, 21) and disassemble foot valve
(23) by removing retainer ring (27) to release valve seat
(26), O-ring (25) and ball (24).
8. Remove packing nut (5) with wear ring (6) and upper
packing set (8).
Reassembly
1. Replace packing set (8) into pump block (7). Apex of
packings (8) should point toward air motor.
2. Replace packing set (15) and washer (16) onto piston
body (13).
3. Put piston ball (14) into piton body and thread piston seat
(17) up to piston body to full tight position. NOTE: Place
blue Loctite on threads of piston seat (17).
4. Thread piston body (13) onto displacement rod or lower
connecting rod (11) on 55 gallon models.
5. Insert displacement rod (4) through pump block (7).
Replace wear ring (6) on packing nut (5). Push packing
nut (5) over displacement rod (4) and fasten to pump block
(7).
NOTE: Do not over-tighten packing nut (5). Tighten
sufcientlytopreventleakage.
6. Install nylon gasket (9) in pump block (7) followed by the
pump cylinder (10).
7.
Insert PTFE O-ring (18) into pump cylinder (10).
IMPORTANT: Do not put this O-ring (18) on the foot valve in
reassembly.
8. Drop the foot valve ball (24) into foot valve (23) and
replace O-ring and foot valve seat (16) followed by the
retainer ring (27). Place rubber O-ring (21) on foot valve.
9. Thread foot valve into pump cylinder to full clockwise
position and tighten.
10. Attach pump to stanchions (see air motor sheet) and
replace washers and nuts and tighten.
11. Connect upper connecting rod (1) to air motor.
Fluid Pump Assemblies, 174-557 (drum) and 174-565 (cart)
