TM-9-2815-213-34
ENGINE, DIESEL, WITH ACCESSORIES CUMMINS MODEL V8-300 (2815-910-8217)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING DIRECT SUPPORT AND GENERAL SUPPORT REPAIR PARTS LIST AND DEPOT MAINTENANCE ALLOWANCES)
FEBRUARY 1972
TM-9-2815-213-34 - Page 64 of 192
*TM 9-2815-213-34
b.
Blow out lubricating oil passages with
com-
pressed air.
c.
Install new bushings using mandrel and
block
set.
3-84.
Assembly
a.
Dip rocker arm shaft plugs in lubricating
oil,
OE-10, to prevent galling.
Insert plugs in shaft with
an appropriate mandrel.
Refer to paragraph 3-’80.
NOTE
Shafts are plugged at both ends.
Do not in-
stall plug in shaft without a mandrel.
b.
Install rocker arm adjusting screws and
nuts.
c.
Install sockets in injector rocker arms.
d.
Coat rocker arm shaft with OE-10
lubricating
oil.
e.
Position rocker arm shaft bracket with
locating
screw hole on rocker shaft.
Aline shaft and bracket
locating holes and secure with allen head locating
screw.
f Slide valve rocker arm, injector arm, and
valve
rocker arm onto rocker arm shaft.
g.
Slide rocker arm shaft bracket onto shaft
and
repeat Step 6 until all arms are in place.
h.
Slide the last bracket into position.
NOTE
For ease of handling tie rocker arm assembly
together with heavy rubber bands or cord (fig.
2-15).
Keep that end of assembly which is opposite the
locating screw up, to prevent parts from sliding off.
3-85.
Installation
a.
Install push rods in tappets.
NOTE
Injector push rod is the largest and fits between the
exhaust and intake push rods.
If new rod is used,
make sure it has same part number as the one
removed.
b.
Position rocker arm assembly to cylinder head
and engage push rod adjusting screws in push rod
sockets.
CAUTION
Rocker arm adjusting screws must be loose to
permit tightening the cylinder head hold down
capscrews.
c.
Repeat procedures in paragraph 3-70g and h, for
capscrews through rocker arm brackets.
d.
With feeler gage, check for clearance between all
rocker arms and rocker arm brackets.
Section XVI.
Repair of Push Rod Cavity Covers
3-86.
Disassembly
There are no disassembly procedures required.
3-87.
Cleaning
Clean covers in accordance with the requirement
paragraph 2-5.
3-88.
inspection
Inspect in accordance with paragraph 2-6.
3-89.
Repair
Repair is limited to replacement of defective parts
and general repair procedures in accordance with
paragraph 2-7.
3-90.
Installation
a Check for installation of pipe plugs in the block.
b.
Position cover with new gasket to block (fig.
2-14).
Secure with flatwasthers and capscrews.
Section XVII.
Repair of Cylinder Head Covers
3-91.
Disassembly
There are no disassembly procedures required.
3-92.
Cleaning
Clean covers in accordance with paragraph 2-5.
3-93.
inspection
Inspect cover in accordance with paragraph 2-6.
3-94.
Repair
Repair is limited to replacement of defective covers
and general repair procedures in accordance with
paragraph 2-7.
Refer to TM 9-2320-206-20 for
repair of breather tube assembly.
3-95.
Installation
Refer to paragraph 2-11a, and reverse procedures.
3-35
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