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Hydraulic Hand Pump
Care and Maintenance
Page 24
12. Thread the o-ring end of Sealant Barrel #3 into the Body Assembly #4. Once you feel the Sealant Barrel
#3 makes contact with the Barrel O-Ring #3B back off the Sealant Barrel #3 1/2 turn.
13. Stroke the pump until hydraulic fluid is seen leaking at the threads.
If no fluid is detected after a few strokes, back off the Sealant Barrel #3 an additional 1/2 turn and
stroke the pump again. Repeat this until hydraulic fluid is detected leaking at the threads.
14. Tighten the Sealant Barrel #3 and wipe the pump clean of the leaked hydraulic fluid.
15. Open the By-Pass Valve #7.
16. Use the Handle #10 to push the Piston Assembly #10 completely to the end of the Sealant Barrel #3.
17. Remove and replace the Barrel Gasket #3A from inside the Sealant Barrel Cap #1.
18. Reattach the Handle Latch Assembly #16.
Follow steps 1 through 8 of
“To reassemble the Handle Latch Assembly”
in the
“Handle
Latch Repair and Replacement”
instructions on page twenty-six (26).
19. To refill the hydraulic system, continue on step seven (7) under “
Bleeding and Filling the Hydraulic
Fluid Bag”
on page fourteen (14).
Hose Assembly Replacement
It is highly recommended the Extra High-Pressure Hose #17E be replaced every 3 years and any other
components in the Hydraulic Pump Hose Assembly #17 that are worn.
Use only Sealweld Extra High-Pressure Hoses, components and parts.
To remove the Hydraulic Pump Hose Assembly #17, follow these instructions.
1. Open By-Pass Valve #7; check the 15,000 PSI Gauge #17B to make sure all internal pressure is relieved
from the system.
2. Clamp the Hydraulic Hand Pump into a pipe vise.
3. Using a proper fitting wrench, remove the Hydraulic Pump Hose Assembly #17 from Sealant Barrel Cap
#1. Replace and / or reuse Hydraulic Pump Hose Assembly #17 parts as needed.
4. Attach and tighten the new Hydraulic Pump Hose Assembly #17 to the Sealant Barrel Cap #1.
Pressure Gauge Replacement
Occasionally sealant will enter the 15,000 PSI Gauge #17B bourdon tube and it will fail to return to (0 PSI) zero.
If this occurs, the 15,000 PSI Gauge 17B needs to be replaced. Follow these instructions.
1. Open By-Pass Valve #7; check the 15,000 PSI Gauge #17B to make sure all internal pressure is relieved
from the system.
Make sure all pressure sources have been eliminated.
2. Clamp the Hydraulic Hand Pump into a pipe vise.
3. Using a proper fitting wrench remove the Hydraulic Pump Hose Assembly #17 from Sealant Barrel Cap
#1.
4. Remove the Hydraulic Hand Pump from the pipe vise and clamp the Hydraulic Pump Hose Assembly #17
into the pipe vise by the High-Pressure
TEE
#17C with the 15,000 PSI Gauge #17B up.
5. Using a proper fitting wrench, remove and discard the 15,000 PSI Gauge #17B.
6. Fill the bourdon tube of the new 15,000 PSI Gauge #17B with a light weight hydraulic fluid.