TM-9-2815-225-34-P
ENGINE, DIESEL: 6 CYLINDER IN-LINE TURBOCHARGED, CUMMINS MODEL NTC-400
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
JULY 2005
TM-9-2815-225-34-P - Page 210 of 736
TM 9-2815-225-34&P
0020 00
0020 00-4
ROCKER LEVERS AND ROCKER LEVER HOUSING (Contd)
ASSEMBLY
NOTE
Apply lubricating oil to all parts before assembly.
On intake rocker levers with oil drilling to crosshead nose end,
install new bushing so nose hole is closed and slot hole is in
line with adjusting screw hole.
1.
Using press and rocker lever block and mandrel set, install two new bushings (10) in intake rocker
levers (11).
NOTE
On injector and exhaust rocker levers, install new bushing so
oil holes to crosshead nose or injector link and adjusting screw
are open to allow for oil flow.
2.
Using press and rocker lever block and mandrel set, install two new bushings (1) in exhaust
rocker levers (2).
3.
Using press and rocker lever block and mandrel set, install two new bushings (5) in injector rocker
levers (7).
4.
Install two new ball socket seats (6) on injector rocker levers (7).
5.
Using press, install two new plugs (18) in ends of rocker lever shaft (16).
NOTE
Remove tags from rocker levers before assembly.
6.
Position two exhaust rocker levers (2), injector rocker levers (7), and intake rocker levers (11) in
their tagged positions in rocker lever housing (15).
NOTE
Ensure rocker lever shaft is positioned with oil supply screw
hole facing up and seven oil holes facing flat side of rocker
lever housing.
7.
Install rocker lever shaft (16) through rocker lever housing (15) and two exhaust rocker levers (2),
injector rocker levers (7), and intake rocker levers (11). Leave 0.500 in. (12.70 mm) of rocker lever
shaft (16) extending out of rocker lever housing (15).
8.
Install new O-ring (17) on rocker lever shaft (16) and push rocker lever shaft (16) back through
rocker lever housing (15). Leave 0.500 in. (12.70 mm) of rocker lever shaft (16) extending out of
rocker lever housing (15) opposite side.
9.
Install new O-ring (17) on rocker lever shaft (16) and push rocker lever shaft (16) through rocker
lever housing (15) until rocker lever shaft (16) is even with rocker lever housing (15).
10.
Install setscrew (14) in rocker lever shaft (16) and rocker arm housing (15).
11.
Install two exhaust rocker lever adjusting screws (3) and nuts (4) in exhaust rocker levers (2).
12.
Install two injector rocker lever adjusting screws (8) and nuts (9) in injector rocker levers (7).
13.
Install two intake rocker lever adjusting screws (12) and nuts (13) in intake rocker levers (11).
14.
Repeat steps 1 through 14 for remaining two rocker lever and rocker lever housings.
15.
For rocker levers and rocker housing installation, refer to WP 0043 00.
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