64 Check-Out
Checking Packer and Carrier Panel Shift (Knockout) Pressures
To check packer and carrier panel shift (knockout) pressures:
1. Install a 0-3000 PSI (0-207 BAR) pressure gauge at the quick disconnect coupler on the front
control valve. Check the main relief pressure as described in Checking Main Line Pressure on
page 62.
2. Reduce main relief setting to below 1000 PSI (69 BAR):
3. Using a screwdriver remove the button plugs from the end of the Main Control Valve packer and
carrier sections. Shift the packer and carrier linkage to the detented position and release, leaving
the valve spools in the detented position.
OPERATIONAL STATUS
Truck Running PTO Engaged Speed Up On Transmission Neutral
OPERATIONAL STATUS
Truck Off PTO Disengaged
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