Servicing The Fluid Section - Titan PT6900 Plus DI 120V Operating Manual

Maintenance
6.9

Servicing the Fluid Section

PT6900 Plus DI
1
2
3
4
5
use of non-Titan service parts may void warranty.
Ask for original parts made by Titan for best services.
This pump should receive a routine servicing after
approximately 1,000 hours of use. Earlier servicing
Attention
is required if there is excessive leakage from the top
packing or if pump strokes become faster on one
stroke or the other. The use of Titan Piston Lube
(P/N 314-480) is recommended as an upper packing
lubricant. Do not substitute oil, water, or solvent for
an upper packing lubricant.
Numbers in parentheses refer to the item numbers
i
in the fluid section illustrations. If there are two
numbers, the first number represents the item
number for the PT6900 Plus DI and the second
number represents the item number for the PT12000
Plus DI.
14
6
3
15
7
8
16
3
17
4
18
9
19
10
20
11
21
12
13
22
23
24
GB
PT12000 Plus DI
1
2
3
4
5
Disassembling the Fluid Section
1a. PT6900 Plus DI - Remove the foot valve housing (22), pump
cylinder (15), and cylinder spacer (14) with a strap wrench.
1b. PT12000 Plus DI - Remove the siphon tube (22). Unthread
the foot valve housing (21) and the pump cylinder (14) with a
strap wrench.
2. Slide the retainer ring (1) up with a small screwdriver, then
push the connecting pin (2) out.
3. Pull the displacement rod (6) through the lower cavity of the
motor/pump block.
4. Remove the PTFE o-ring (3), upper packing spring (5), and
upper packing set (4) from the motor/pump block.
5. Hold the displacement rod (6) in a vise by the flats at the
top of the displacement rod and remove the outlet valve
housing (13) with a wrench while holding the displacement
rod horizontal with wooden support, if necessary. Remove
the seal washer (12), outlet valve seat (11), outlet valve ball
(10), outlet valve cage (9), lower packing set (4), lower packing
spring (8), and spring retainer (7).
6. Using a 1/2" extension bar attached to a 1/2" drive ratchet,
insert the end of the extension bar into the square opening
of the foot valve cage (18,17) inside the foot valve housing
(22,21). Unscrew and remove the foot valve cage along with
the wave washer (17,16) from the foot valve housing.
24
14
6
15
3
16
17
7
18
8
19
20
4
21
9
10
11
12
22
13
23
PowrTwin Plus DI