Install blower driveshaft alignment tool in
blower driveshaft (15).
Rotate blower lobes (2) in 90 degree
increments. Check alignment at each stop
by making sure blower driveshaft (15) can
be moved in and out without binding.
Tighten four screws (16) to 40 to 45 lb-ft
(54 to 61 N.m).
Tighten six screws (18) to 20 lb-ft (27 N.m)
and then tighten in equal five lb-ft
increments until tightened
30 to 35 lb-ft (41 to 47 N.m).
Blower driveshaft (15) should move freely.
If not, loosen screws (16) and (18) and
repeat Steps (8) through (11).
Use care when installing
retaining rings. Retaining rings
are under tension and can act as
projectiles when released causing
injury to personnel.
Retaining ring is installed over
blower driveshaft alignment tool
to keep retaining ring from
falling into flywheel housing,
causing engine damage.
Install retaining ring (14) on blower
driveshaft (15) and remove blower
driveshaft alignment tool.