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55
TROUBLESHOOTING
INTERNAL LEAK DETECTION
FOR CYLINDERS
1. Apply all safety measures to
ensure
safety around the vehicle at all
times.
2. Ensure that the parking brake is
applied.
3. Pull out the Emergency Stop Button
(red).
4. Start the engine and engage the
hydraulic pump.
5. Fully extend the packer cylinders.
6. Disengage the hydraulic pump.
7. Disconnect the hose at end A.
8. Plug the end of the disconnected
hose.
9. Put pressure on the piston end.
10. If oil leaks out of end A, there is an
internal leak. Replace damaged
parts.
INTERNAL LEAK DETECTION FOR
CYLINDERS
3.2
INTERNAL LEAK DETECTION
FOR CYLINDERS
1.
2.
3.
4.
5.
6.
FIGURE #3.1
A
A
An internal leak is caused by a damaged seal
inside the hydraulic cylinder. Because the
cylinder is leaking oil inside (bypassing), a
certain amount of pressure is lost reducing
the cylinder efficiency and its capacity to
push or pull.
If the packer cylinders are bypassing, the
seal inside the cylinder may require to be
replaced. If an internal leak is suspected,
apply the following procedure to verify it:
Содержание Optimizer
Страница 1: ...MAINTENANCE MANUAL RELEASE February 2007 Part Number 90313...
Страница 2: ......
Страница 4: ...OPTIMIZERTM 4...
Страница 8: ......
Страница 41: ...41 MAINTENANCE...
Страница 43: ...43 LUBRICATION...
Страница 45: ...45 LUBRICATION...
Страница 47: ...47 LUBRICATION...
Страница 48: ...OPTIMIZERTM 48 LUBRICATION CHART ON SIDE OF THE TRUCK...
Страница 49: ...49 TROUBLESHOOTING...
Страница 51: ...51 TROUBLESHOOTING...
Страница 57: ...57 TROUBLESHOOTING Main relief Gauge port Velocity fuse FIGURE 3 3 Gauge 1 Gauge 2...
Страница 60: ...OPTIMIZERTM 60 3 4 MAINHYDRAULICSCHEMATIC...
Страница 61: ...61 TROUBLESHOOTING Intentionally left blank...
Страница 63: ...63 HYDRAULIC...
Страница 65: ...65 HYDRAULIC 4 1 2 HYDRAULIC PIPING TANK TO PUMP PETERBILT A320 4 2...
Страница 67: ...67 HYDRAULIC 4 2 PUMPS VALVESANDHYDRAULICTANK 4 2 1 HYDRAULICTANK...
Страница 71: ...71 HYDRAULIC 4 2 3 MAINVALVE 17 16 1 10 15 3 2 11 9 7 5 6 12 4 18 19 8 14 13...
Страница 73: ...73 HYDRAULIC Intentionally Left Blank...
Страница 76: ...76 BODY AIR SYSTEMS...
Страница 77: ...77 BODY AIR SYSTEMS 5 2 GENERALPNEUMATICDIAGRAM...
Страница 78: ...OPTIMIZERTM 78 Intentionally Left Blank...
Страница 81: ...81 NOTES...