5-6. PRIMER ASSEMBLY MAINTENANCE INSTRUCTIONS
This task includes:
Oil, Lubricating; item 6, Appx E
Primer Assembly (1)
Tool kit, General Mechanic's
Blade, Hand Hacksaw; Item 3. Appx F
Caliper. Vernier; item 6. Appx F
Compactor set on level ground in a protected area
Frame Hand Hacksaw. Item 11, Appx F
Gear cover removed.
Solvent, Dry Cleanlng; item 9, Appx F
General Safety Instructions
Observe all WARNINGS and CAUTlONS
The primer assembly should only be re-
moved if there is reason to believe that the
assembly or a component is defective, re-
quiring replacement of the assembly The
primer assembly is destroyed in the re-
moval process and can not be repaired.
Pull the primer handle fully down and hold, ob-
serving that the spring is compressed solid.
Measure the distance "A" with vernier calilper,
and record this value.
The plunger cone is under spring ten-
sion during this removal and could be-
come a projectile when sawing is
complete. Eye protection is required. In-
jury could occur if plunger should let
Apply lubricating oil to the preformed packings (3
Holding the handle down, cut through the plunger
and 4) of the primer assembly.
stem between the handle and gear cover.
Install larger preformed packing (3) on stem of
Remove all components of the plunger assembly
plunger (5) and push beyond the groove in stem.
Install small preformed packing (4) in groove of
Install spring (1) and flat washer (2) on stem of
the plunger (5) stem.