3-2. FUEL SYSTEM MAINTENANCE (CONT)
d. Fuel Infection Pump (Cont).
INSPECTION/REPAIR (SHEET 4 OF 4)
Inspect springs (42) for damaged protective
and 55) for corrosion, cracks, or permanent
Inspect housing (68) for
cracks, distortion, or thread
damage. If necessary, smooth
barrel seats using light cuts
with barrel seat cutter. Re-
place housing (68) with plugs
(28 and 62), threaded ring
(64), retainer (65), and bush-
ings (66) as an assembly if any
of the above defects are seen.
Inspect drive gear (12) for
cracks, elongated holes, and
chipped, worn, or damaged
teeth. Drive gear to idler gear
backlash recorded during remov-
al must be less than 0.012
coating. Inspect springs (42
(10) Inspect control sleeves (43) for cracks, worn slot, and worn or damaged
adjusting holes. Inspect gear segments (46) for cracks, thread damage, or
chipped or worn teeth.
(11) Inspect all other parts for cracks, distortion, excessive wear, or thread
REASSEMBLY (SHEET 1 OF 12)
Mount housing (68) in swiveling vise using mounting flange and U-bracket
and install governor housing (page 3-185).
Perform steps (2) through (5) below only if inspection required removal
If removed, apply thread sealant to threads of baffle screws (67). In-
stall six baffle screws (67) and tighten to 15 to 17 lb-ft.