TM 5-3895-382-24
Illustration 22
Bolts, nuts, and components of the cylinder head
NOTE:
When the fuel injection nozzle is removed, the
following items must be replaced: dust seal and
seat washer.
(1)
Tighten the bolts that hold the rocker shaft to the
cylinder head to the following torques:
Begin tightening the inner bolts. Then tighten the bolts
by working toward the end of the shaft.
Cast iron or steel bracket.........................75 Nm (55 lb-ft)
Aluminum bracket.....................................40 Nm (30 lb-ft)
(2)
Valve lash
Inlet........................................................0.20 mm (.008 inch)
Exhaust.................................................0.45 mm (.018 inch)
(3)
Maximum permissible nozzle projection below cylinder
head face after resurfacing....................................4.45 mm
(.175 inch)
Maximum allowance for resurfacing ...............................0.30 mm
(.012 inch)
(4)
Depth of new cylinder
head ....................................................102.79 to 103.59 mm
(4.047 to 4.078 inch)
Minimum depth of cylinder head after
resurfacing....................................................................... 102.48 mm
(4.035 inch)
Illustration 23
Positions for measuring the bow of the cylinder head (typical example)
Maximum permissible amount of bow (curve of the cylinder
head)
A.............................................................0.08 mm (.003 inch)
B.............................................................0.15 mm (.006 inch)
C.............................................................0.15 mm (.006 inch)
Tighten the bolts for the inlet manifold (not shown) to the
following torque:....................................................44 Nm (32 lb-ft)
Tighten the nuts for the exhaust manifold (not shown) to the
following torque:
Plated ..........................................................44 Nm (32 lb-ft)
Plain ............................................................50 Nm (37 lb-ft)
5-19
