Detroit Diesel — Electric Shutoff (Automatic Shutoff) Adjustment Procedure
Adjustments · electric shutoff solenoid
From a Detroit Diesel service manual — check it applies to your exact model before use.
Before you start
- Follow step by step instructions to prevent solenoid burn out or internal damage to injection pump.
- Do NOT cycle more than 3 times; additional cycling may cause pull-in coil overheating resulting in burnout.
Procedure
- Loosen jamnut.
- Apply the proper D.C. voltage from a power source (with an 8 amp fuse protection) across the Hold and Common terminals.
- Press solenoid plunger in to bottom of its travel; plunger should hold the shut-off lever in the Run Fuel On position.
- Move the shut-off lever toward the RUN position and screw the solenoid swivel into the rod end until the lever stops forward movement.
- Turn swivel two full turns in the opposite direction, tighten jamnut, then de-energize the solenoid.
- Cycle the solenoid 2-3 times to insure shut-off lever travel achieves RUN and SHUT-OFF positions.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 8 amp fuse protection
Source: Detroit Diesel service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.