New Holland 667TA/EBF, Repair Manual

Page: 131 / 150

2-113
87519804 NA Issued 11-06 Bur
CHAPTER 2 - 667TA ENGINE OVERHAUL
ENGINE REPAIR MANUAL
INSTALLING THE CYLINDER HEAD
STEP 140
BS06K370
Figure 2-243
Verify that the cylinder head and the engine block
mating surfaces are both clean.
Take care not to damage the cylinder head gasket.
Set the cylinder head gasket (1) with the writing
"TOP" (1) facing the head.
Th e ar row s hows th e p oi nt w h ere the g as ke t
thickness is given.
IMPORTANT: Prior to reusing the cylinder head
fastening bolts, verify that they do not show traces of
wear, deformations or corrosion. If they do replace
them.
STEP 141
BS06K371
Figure 2-244
Install cylinder head (1), attach bolts (2) and tighten
them in three successive steps according to the
procedure in the following figure (step 142).
STEP 142
BS06K372 Figure 2-245
Cylinder head fastening bolt tightening sequence:
•
1st phase: Pre-fastening by means of torque
wrench.
Bolt 12x1.75x130 mm- (1)- 30 - 40 Nm
(22 - 30 lbf ft.)
Bolt 12x1.75x150 mm- (2)- 50 - 60 Nm
(37 - 44 lbf ft.)
•
2nd phase: Angle tightening: 90° ± 5°- with tool (3)
•
3rd phase: Angle tightening: 90° ± 5°- with tool (3)
A= Front side
INSTALLING INJECTORS
STEP 143
BS06K373
Figure 2-246
Install a new sealing ring (2) lubricated with vaseline
and a new sealing washer (3) on injector (1).
1
1
3
2
1. NON SHADED BOLTS- 12X1.75X130 MM
2. SHADED BOLTS- 12X1.75X150 MM
2 1
3