Chemical Injector & Unloader
309578B
9
2.
Carefully pull packing retainer from manifold. Exam-
ine o-ring and replace it if it is cut or damaged.
3.
Remove v-packing and head ring. Pull out interme-
diate retainer ring. Remove second v-packing and
second head ring.
4.
Inspect all parts and replace as necessary.
5.
Thoroughly clean packing cavities and examine for
debris and damage.
6.
Lightly grease packing cavities and then replace
packings in following order:
•
head ring
•
v-packing
•
intermediate ring
•
head ring
•
v-packing and packing retainer with o-ring
installed in retainer groove
7.
Reassemble manifold as instructed in Servicing
Plungers, page 8.
Chemical Injector & Unloader
Use Chemical Injector Repair and Unloader
Replacement Kit 15C186.
Unloader
The unloader cannot be repaired. If it is damaged it
must be replaced using the new one included in the
246749 kit.
CAUTION
Install parts in proper order and facing correct direction.
Improperly installed parts will cause a malfunction.
