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 TM 5-1940-277-20
TM 1940-20/2
2.
Using screwdriver, loosen hose clamp (1) on breather hose (2).
3.
Disconnect breather hose (2) from valve cover (3).
4.
Using screwdriver remove eight screws (4) securing valve cover (3) to engine head (5).
5.
Remove valve cover (3).
CAUTION
Don't let pieces of gasket fall into engine head.
6.
Remove gasket (6) from engine head (5) and valve covers (3) using putty knife.
NOTE
Steps seven through nine apply to the MK2 w/Cummins engine.
The valve covers on both engines are replaced the same way. This
procedure covers the replacement of all valve covers on one
engine.
7.
Using 13 mm wrench, remove six screws (7) and seals (8) securing valve covers (9) to engine (11).
8.
Remove six valve covers (9).
CAUTION
Don't let pieces of gasket fall into engine head.
9.
Remove six gaskets (10) from engine (11) and valve covers (9) using putty knife.
INSTALL:
NOTE
This procedure covers two different types of valve covers used on
different engines. Step one through step four apply to the MK1
and MK2 w/Sabre engine. Step five through eight apply to the
MK2 w/Cummins engine.
1.
Position gasket (6) on engine head (5) and aline with mounting screw holes.
2.
Mount valve cover (3) on engine head (5) being careful not to damage or dislodge gasket.
3.
Secure valve cover (3) to engine head with eight screws (4).
4.
Connect breather hose (2) to valve cover (3) and tighten clamp (1).
NOTE
Steps five through seven apply to the MK2 w/Cummins engine.
5.
Position six new gaskets (10) on valve covers (9).
6.
Install six valve covers (9) on engine (11) with new gaskets (10).
7.
Secure valve covers (9) to engine (11) with six screws (7) and seals (8).
8.
Close engine hatch covers.
Change 2
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