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TM 5-4210-220-34
2-19.
ENGINE - Continued
(16)
Coat threads of fittings (15) with pipe sealant (item 22, Appendix B) and install air lines, as tagged, to stop
solenoid (16) and throttle air chamber (9).
(17)
Connect wire to solenoid.
(18)
Adjust fuel shutdown, throttle cylinder and pump governor as detailed in ADJUSTMENT preceding.
b.
Throttle Air Chamber Replacement
NOTE
When removing and Installing an air cylinder on an old engine, or transferring it between two engines, it is removed
with the fuel shutdown plate - see Fuel Shutdown Replacement preceding If an air chamber is to be replaced use
following instruction. A new chamber comes ready mounted onto a plate.
(1)
Remove return spring mounted to arm (5).
(2)
Remove screws (2), and nuts (3) and lift
chamber
assembly
(14)
from
plate.
Discard the plate.
(3)
Remove spring (1) from old plate.
(4)
Remove air line from old air chamber.
(5)
Remove chamber assembly from old plate
by removing mounting screws and nuts.
(6)
Aline arm (5) on governor shaft and mount
new chamber on existing shutdown plate
using
screws
(2)
and
(7)
Install spring (1) between plate post and arm (5).
(8)
oat threads of pipe fitting with pipe sealant (Item 22, Appendix B) and install throttle hose to air chamber.
(9)
Adjust throttle as detailed in ADJUSTMENT preceding.
c.
Pump Governor Replacement
NOTE
There are no repairable parts on the pump governor. This instruction can be used either to install a pump governor on a
new engine or to remove and install a new or old pump governor on an old engine.
(1)
Loosen nut (2), and screw (1) and lift off pump governor lever (3) from governor speed shaft.
2-245
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