Detroit Diesel — Assemble Air Shutdown Housing
Repair & overhaul
From a Detroit Diesel service manual — check it applies to your exact model before use.
Procedure
- Place the valves and spring in position in the housing and slip the shaft in place. The shaft must extend 1.80 in from the side of the housing where the shutdown latch is assembled.
- Install a new seal ring at each end of the shaft. Be sure the seal rings are seated in the counterbores of the housing.
- Install the cam on the shaft, then install the pin which retains the cam to the shaft.
- Install a spacer (formerly a washer) and retaining pin at the other end of the shaft.
- Assemble the eccentric (bushing), spring and latch to the shutdown housing with the 1/4-20 bolt, lock washer and plain washer. Align the notch on the bushing with the notch on the latch and lock in po
- Install the pins in the valves with the cam release latch set and the valves in the run position. Level the valves in the shutoff position and adjust the bushing so valves contact the housing when the
Tools required
- 1/8 in diameter drill Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Valves must be in the same plane within .030 in when in the stop position
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.