Servicing The Fluid Section - Titan PowrBeast 4700 Mode D'emploi

MAINTENANCE
7.9

SERVICING THE FLUID SECTION

POWRBEAST 4700 / POWRBEAST 4700T
1
2
29
4a
5
3
4700
23
26
27
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
Attention
servicing after approximately 1,000 hours of use.
Earlier servicing 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.
DISASSEMBLING THE FLUID SECTION
1. Using a hex wrench, loosen the captive screws that secure
the PCB board assembly (Fig. 27, item 30) to the hydraulic
motor cylinder. Once removed, the board can hang by its
cord.
2. Slide the retainer ring (1) up with a small screwdriver, then
push the connecting pin (2) out.
28
30
14
6
15
31
16
8
7
9
17
18
4b
19
20
21
10
22
11
12
23
13
24
25
POWRBEAST 7700 / POWRBEAST 9700
1
2
4a
5
3
3. PowrBeast 4700 - Remove the siphon tube (26).
4. Spin the fluid section removal nut (15) counterclockwise
so that it bottoms out on the threads on the cylinder (16).
5. Place a wrench on the flats of the fluid section removal
nut (15). Turn the wrench counterclockwise to loosen the
entire fluid section.
6. Carefully pull down the fluid section to remove from the
hydraulic motor.
7. In order to service the fluid section, stabilize it by securing
the flats of the fluid section removal nut (15) in a vise.
8. Unthread the foot valve housing (23) with a strap wrench.
9. Remove upper packing spring (5), and upper packing set
(4a) from the motor/pump block.
10. Place a wrench on the flats on top of the displacement rod
(6). Using a second wrench, loosen and remove the outlet
valve housing (13) from the displacement rod (6).
11. Remove the seal washer (12), outlet valve seat (11), outlet
valve ball (10), outlet valve cage (28, PowrBeast 7700
POWRBEAST
14
30
6
15
31
16
9
17
4b
18
19
20
28
21
10
22
11
12
23
13
24
25