Download Arrow VM1012-B Specifications

ENGINE
XJ
9 - 43
REMOVAL AND INSTALLATION (Continued)
ASSEMBLE
(1) Clean all tappet parts in a solvent that will
remove all varnish and carbon.
(2) Replace tappets that are unfit for further service with new assemblies.
(3) If plunger shows signs of scoring or wear,
install a new tappet assembly. If valve is pitted, or
valve seat on end of plunger is prevented from seating, install a new tappet assembly.
(4) Assemble tappets.
CLEANING AND INSPECTION
CYLINDER HEAD
CLEANING
Fig. 71 Oil Pump Bore Depth
(35) Install the vibration damper. Refer to vibration damper removal and installation in this section.
(36) Install the cylinder heads. Refer to cylinder
head removal and installation in this section.
(37) Install the rocker arms and push rods. Refer
to rocker arm and push rod removal and installation
in this section.
(38) Install the cylinder head cover. Refer to cylinder head cover removal and installation in this section.
(39) Install the accessary drive system.
(40) Install the engine in vehicle. Refer to engine
removal and installation in this section.
(41) Fill engine with the correct amount of fluids
specified.
(42) Connect the negativre battery cable.
Thoroughly clean the engine cylinder head and cylinder block mating surfaces. Clean the intake and
exhaust manifold and engine cylinder head mating
surfaces. Remove all gasket material and carbon.
Check to ensure that no coolant or foreign material
has fallen into the tappet bore area.
Remove the carbon deposits from the combustion
chambers and top of the pistons.
INSPECTION
Use a straightedge and feeler gauge to check the
flatness of the engine cylinder head and block mating
surfaces (Fig. 72).
Minimum cylinder head thickness 89.95mm (3.541
in.)
CAUTION: If only one cylinder head is found to be
distorted and requires machining, it will also be
necessary to machine the remaining cylinders
heads and end plates by a corresponding amount
to maintain correct cylinder alignment.
DISASSEMBLY AND ASSEMBLY
HYDRAULIC TAPPETS
DISASSEMBLE
(1) Pry out plunger retainer spring clip.
(2) Clean varnish deposits from inside of tappet
body above plunger cap.
(3) Invert tappet body and remove plunger cap,
plunger, check valve, check valve spring, check valve
retainer and plunger spring. Check valve could be
flat or ball.
Fig. 72 Checking Cylinder Head Flatness
ROCKER ARMS AND PUSH RODS
CLEANING
Clean all the components (Fig. 73) with cleaning
solvent.