A
B
Filter (disc type or screen type) | C |
17
Direction of lubricant flow.
SECTION 1
If little or no lubricant can be obtained from the control handle:
A.Check air line connection to pump to make certain there is air pres sure to the pump.
B.Check lubricant container to make certain lubricant is not ex hausted.
C.If above conditions are okay and no lubricant can be obtained from the
control handle, clean the filter in the bottom of the control handle.
1.Disconnect or shut off the air supply to the pump.
2.Pull (14) handle on the control handle to relieve pressure in the line from pump to the control handle.
3.Remove control handle from swivel slowly. If filter is plugged, there can still be some pressure retained in the line. Remove the control handle slowly to allow pressure to bleed off slowly so that no injury can be caused by grease injection.
4.Remove (16) adapter from control handle.
5.Remove (18) spring and (17) filter.
a.Clean exterior of filter in a solvent with a brush to remove most of the foreign material and lubricant from the outside of the filter.
b.Blow air through the filter in the oposite direction of lubricant flow. CAUTION: Be sure to wear eye protection, goggles or glasses when doing this.
c.Repeat directions •a" and •b" until filter is clean.
6.If filter is damaged, replace it. (Deformed discs on old style filter or broken screen on new style filter which would allow dirt to pass on thru the filter).
7.Reassemble control handle and then assemble to swivel.
SECTION 2 |
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If lubricant leaks excessively around top of (5) piston: | 4. | Use an end wrench or crescent wrench on the flats of the (27) head | |
A. | Replace the two (26) packings. Also replace (5) piston if it is badly |
| and remove the head from the (15) body. |
| scored on area that packing seals. | 5. | Remove (25) spring and (23) spring from the (27) head. |
1. | Follow instruction 1,2 and 3 as described in Section 1. | 6. | Remove the (5) piston by pulling it out of the top of the (27) head. |
2. | Remove the (1) nut and (2) pin that holds the two (28) links to the | 7. | Remove the (25) washer and two (26) packings from the (27) head. |
| (27) head. This will allow the (14) handle to be moved out of the way | 8. | Install two new (26) packings and (25) washer in the (27) head. |
| from the (5) piston. | 9. | Reassemble the control handle in the reverse sequence of disas |
3. | Place the flats of the (15) body in a vice. |
| sembly steps 6, 5, 4. |
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SECTION 3 |
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If control handle will not develop additional pressure: | 6. | Remove (27) head from (15) body. | |
A. | If dirt got by the (17) filter in the bottom of the control handle, the (9) | 7. | Remove (22) valve seat, two (19) balls, two (20) ball stops and (21) |
| outlet check may be fouled or the (19) balls in the (15) body may be |
| spring from (15) body. |
| fouled. | 8. | Clean ball seat in (15) body, ball seat in (22) valve seat and two (19) |
1. | Follow instruction 1,2 and 3 as described in Section 1. |
| balls. |
2. | Remove (8) valve body from (10) body. | 9. | Examine ball seats and balls for nicks or score marks. Replace |
3. | Remove (11) retainer, (12) spring and (13) ball. |
| damaged parts. |
4. | Clean ball seat of (10) body and (13) ball. | 10. | Reassemble in the reverse sequence steps 8,7,6,5,3,2. See draw |
5. | Examine ball seat of (10) body and (13) ball for nicks or score |
| ing of control handle for correct placement of parts. |
| marks. Replace damaged parts. |
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SECTION 4 |
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If 636028 Hydraulic Coupler locks onto the grease fitting and cannot be | B. | Remove control handle from the grease fitting and retighten the (6) | |
removed: |
| needle. | |
A.Unscrew the (6) needle one to two turns. This will relieve the grease pressure out of the bleed hole beside the (6) needle.
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