Assemble Spray Tip, Spring Cage and Check Valve Assemblies
Refer to Fig. 37 and assemble the parts as
1. Support the injector body, bottom end up, in
injector holding fixture J 22396.
2. Place a new seal ring on the shoulder of the
Wet the seal ring with test oil and install
the ring all the way down past the threads
and onto the shoulder of the injector body.
This will prevent the seal from catching in
the threads and becoming shredded.
A new injector nut seal ring protector (J 29197)
is now available to install the seal ring. Use the
following procedure when installing the seal ring
with the new protector:
a. Place a new seal ring and protector in a
container with a small amount of injector test oil.
Lubrication of the seal ring and protector
is important to assure proper installation
of the seal ring.
b. Support the injector body, bottom end
Figure 37. Injector Rack, Gear, Spray
up, in injector holding fixture J 22396.
Tip, and Valve Assembly
c. Place the lubricated protector over the
Location of Parts
threads of the injector body. Place the new seal
over the nose of the protector and down onto
the shoulder of the injector body. Do not allow
the seal to roll or twist.
d. Remove the protector.
3. Install the spill deflector over the barrel of the bushing.
4. Place the check valve (without the 0.010-inch hole) centrally on the top of the bushing. Then place the
check valve cage over the check valve and against the bushing.