Delta 88 V8-350 5.7L DSL VIN N FI (1983)
Fig. 25 Injection pump w/cover removed. V8 engine
9.
Note position of metering valve spring before removal as its position must be duplicated exactly during reassembly, Fig. 25.
10.
Remove guide stud and washer, noting parts before removal.
11.
Rotate min-max governor assembly up for clearance then remove it, Fig. 25. If idle governor spring becomes disengaged from throttle block, it
must be reinstalled with tightly wound coils toward throttle block.
12.
Remove throttle shaft assembly and inspect shaft for unusual wear or damage, replace if necessary. It may be necessary to loosen nuts at injection
pump mounting flange and rotate pump slightly to allow throttle shaft to clear intake manifold.
13.
Inspect throttle shaft bushings in pump housing for damage or unusual wear. If replacement of bushings is necessary, it must be performed by a
qualified repair facility.
14.
Remove throttle shaft seals. Do not cut seals to remove, as any nicks in the seal seat will cause leakage.
15.
Install new shaft seals, lubricated with chassis grease. Use care to avoid cutting seals on sharp edges of shaft.
16.
Carefully slide throttle shaft into pump to point where min-max governor assembly will slide back onto throttle shaft, Fig. 25.
17.
Rotate min-max governor assembly downward, then hold in position and slide throttle shaft and governor into position.
18.
Install new fiber washer, throttle shaft advance cam (do not tighten screw at this time) and a new throttle shaft drive pin, Fig. 23.
19.
Align throttle shaft advance cam so tool J-20601 can be installed over throttle shaft, pins in slots and spring clip over advance cam.
20.
Insert a .005 inch feeler gauge between cam and fiber washer, then tighten cam screw and remove tool J-29601.
21.
Install guide stud with new washer, assuring that upper extension of metering valve spring slides on top of guide stud. Torque guide studs to 85
inch lbs. Over torquing may strip the aluminum threads in the housing.
Fig. 26 Installing injection pump cover. V8 engine
22.
Hold throttle in idle position and install new pump cover seal. Making sure that screws are not in cover, position cover about 1/4 inch forward
toward shaft end and above 1/8 inch above pump, Fig. 26. Move cover rearward and downward into position, using care to avoid cutting seal, then
