General Maintenance 51
Adjusting Packer Retract Limit Switch
The Packer Retract limit switch (see Figure 3-38) sends a signal to the controller module that the
packer has reached its fully retracted position.
Figure 3-38
Packer Retract limit switch
When the Packer Retract limit switch needs adjustment, it is usually because it no longer stops the
packer (bottoming out) or prevents automatic cycles from working properly. A well adjusted Packer
Retract limit switch should prevent the packer from making a knocking noise when it stops during
retraction in speed-up mode.
When this limit switch needs adjustment, the following procedure is recommended.
To adjust the Packer Retract limit switch:
1. Set the parking brake.
2. Start the engine and engage the hydraulic system (PUMP switch activated).
3. Press the yellow button to retract the packer to (+/-) 1/16” before the fully retracted position
(this is the measurement between the packer panel and the arm base wiper).
NOTE: When in stowed position the packer panel must always make contact with the wiper.
4. When the packer reaches the correct position, push the red emergency STOP button (see Figure
3-20).
5. Disengage the hydraulic pump and turn OFF the engine.
6. Proceed with the lockout/tagout procedure. Refer to “Locking Out and Tagging Out the
Vehicle” on page 20.
7. Locate the Packer Retract limit switch lever (see Figure 3-39).
Danger!
Never get in the hopper area while the engine is running.
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