|
| |
TM 5-4210-229-14&P
6-6.
CYLINDER HEAD AND VALVES MAINTENANCE (Continued)
l.
Return each valve (and its parts) to the position
from which it was removed.
m.
Place valve seat (1), spring (2), oil shield (3),
and rotator (4) onto stem of valve (5).
n.
With a valve spring compressor, compress the
spring (2) far enough to install the valve locks (6)
into the keeper groove (7).
Cleaning solvent (Appendix D, Item 54) is
both toxic and flammable. Keep off skin.
Use only in a well-ventilated area and avoid
prolonged breathing of vapors. Keep away
from open flames.
Compressed air used for cleaning or drying
can create airborne particles that may enter
the eyes. Pressure shall not exceed 30 psi
(206 kPa). Wearing of goggles is required to
avoid injury to personnel.
o.
Clean and dry cylinder head gasket surfaces with
solvent and compressed air.
p.
Blow
out
cylinder
head
bolt
holes
with
compressed air to prevent hydrostatic lock and
possible block cracking when bolts are torqued.
Do not use gasket cement. Heat transfer
may be adversely affected.
q.
Install new cylinder head gasket (1).
r.
Install rocker arm, shaft, and push rods on
cylinder bead (paragraph 6-5).
When lifting an object, make sure the hoist and
sling are fastened securely. Be sure the item
being lifted does not exceed the capacity of the
lifting device.
s.
Use a hoist and sling to place and align head on
crankcase dowels. Maintain gasket alignment.
t.
Using an accurate torque wrench, torque cylinder
head bolts in three stages.
6-12
|
