SERVICING THE SEALS - ALL MODELS
Disassembly
1. To service the seals and packings, it is necessary to
remove both the Discharge Manifold and the Inlet
Manifold. Follow disassembly procedures for REMOVING
THE DISCHARGE MANIFOLD and REMOVING THE
INLET MANIFOLD.
NOTE: The V-Packing Spacer with Coil Springs and
V-Packing Cylinder (6747) or V-Packing Spacer (6760,
6761, 6767) Assemblies may stay in the Discharge
Manifold or Inlet Manifold.
2. If the V-Packing Spacer (6760, 6761, 6767) stays in either
the Discharge or Inlet Manifold, insert two screwdrivers on
opposite sides of the secondary groove and pry from the
valve chamber.
CAUTION: Exercise caution as the screwdrivers may
score o-ring sealing surface.
3. If the V-Packing Spacer with Coil Springs and V-Packing
Cylinder (6747) stays in either the Discharge or Inlet
Manifold, remove exposed O-Rings and Back-up-Rings
and insert two screwdrivers into the groove on opposite
sides and pry from valve chamber.
CAUTION: Exercise caution as the screwdrivers may
score o-ring sealing surface.
4. On the model 6747, separate V-Packing Spacer from
V-Packing Cylinder by inserting two screwdrivers on
opposite sides of the groove formed between components
and pry apart. Remove one Male Adapter, two V-Packings
and one Female Adapter from each V-Packing Cylinder.
5. On the models 6760, 6761,6767, remove one Spacer
w/Coil Spring, one Male Adapter, two V-Packings and one
Female Adapter from each seal chamber.
6. Place Inlet Manifold on the work surface crankcase side
up.
7. Using a screwdriver, remove LPS from each seal cham-
ber.
CAUTION: Exercise caution as the screwdriver may
damage sealing surface.
8. On the model 6747, place the Inlet Manifold on blocks
with crankcase side down using a screwdriver tap on op-
posite sides of the LPS Adapter to drive out LPS Adapter
and Lo-Pressure Seal from each chamber. Remove Lo-
Pressure Seals from backside of LPS Adapter.
CAUTION: Exercise caution as the screwdrivers may
damage sealing surface.
9. On the models 6760, 6761, 6767 remove Lo-Pressure
Seal from each seal chamber.
Gently working Discharge Manifold over plungers
Gently removing Inlet Manifold over plungers
Removing V-Packing Spacer from Inlet Manifold
Removing Inlet Spacer from Inlet Manifold
Complete packing arrangement (6760-6767)
Complete packing arrangement (6747)
