Bulletin HY25-1135-M1/US
Owner’s Manual
Parker Hannifin Corporation
Chelsea Products Division
Olive Branch, MS 38654 USA
44
Dodge/Sterling/Ram Installation
6 and 8-Bolt PTOs
The 329749X includes an Adjustable Delay Relay.
The factory setting for the relay is 2.5 seconds. The
1 and 2 switches from the factory will be in the ON
position with the PTOs knob to the farthest clock-
wise position. This will represent a 2.5 second delay
from the engagement of the Power Take-Off to the
sending of the signal to the Ram Control Module to
disable the ODB II Monitoring System (Fig. 22).
If the clutch pedal is not released in 2.5 seconds,
the Ram Control Module will deactivate Power
Take-Off Mode and return Engine Throttle to Idle
Condition. If a larger delay period is required, Turn
the Number 1 Position Switch to the Off Position
and turn the PTOs knob to the farthest counter-
clockwise position. This will again set the delay to
2.5 seconds. From this point, turn the PTOs knob
clockwise until an appropriate delay is met. The
farthest clockwise position will now represent a 14
second delay. See chart on side of relay for switch
settings (Fig. 23).
Delay Relay Switch
Fig. 22
Fig. 23
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