20-53. INJECTOR TUBE REPAIR (CONT).
Position cylinder head (4), machined side
up, on two wooden blocks.
Using upsetting die, seat injector tube (1) in
cylinder head (4). Tighten to 30 lb-ft
(41 N.m) and remove upsetting die.
Position cylinder head (4) on side on
Turn reamer to the right only.
Turning reamer to the left will
damage reamer and injector tube.
Lubricate reamer blades with lubricating oil.
Ream injector tube (1) with first operation
Wipe metal filings from injector tube (1)
with cleaning cloth.
Repeat Steps (7) through (9) until shoulder
of reamer touches top of injector tube (1).