108
Hydraulic System
5.
Disconnect the packer fully extended proximity switch (see Figure 5
9).
This prevents the packer from returning to its initial position.
6.
Disconnect and plug hose “A”.
7.
Engage the hydraulic pump.
8.
Push the green button and see if oil is leaking from port “A”, then push the emergency S
TOP
button.
If oil leaks out of port “A” when pressure is applied, there might be an internal leak; replace or
repair the cylinder.
Figure 7
-
26 Detecting cylinder internal leaks
1.
2.
3.
4.
5.
A
A
A
Summary of Contents for FEATHERWEIGHT
Page 1: ...STARLIGHT SUPERDUTY MAINTENANCE MANUAL FEATHERWEIGHT ...
Page 2: ......
Page 3: ...STARLIGHT SUPERDUTY FEATHERWEIGHT MAINTENANCE MANUAL ...
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Page 10: ...viii Table of Contents ...
Page 18: ...8 Introduction ...
Page 40: ...30 Safety ...
Page 46: ...36 Lubrication ...
Page 74: ...64 Electrical System ...
Page 90: ...80 Pneumatic System ...
Page 170: ...160 Multiplexing ...