x
1.Remove pump head per “HEAD REMOVAL”.
2.Remove any packings and retainers left on the plung-
ers by pulling them straight off.
3.Examine each plunger, looking for a smooth surface
free of any scoring, cracks, or pitting. Any defective
plungers should be removed per “PLUNGER RE-
MOVAL”.
4.Discard and replace any defective plungers.
5.Reinstall the plunger per “PLUNGER INSTALLATION”.
6.Reinstall head per “HEAD INSTALLATION”.
NOTE: When the plunger screw is removed, it is
important to install new o-ring, anti-extrusion, and
copper washers.
1. Remove the plunger screw is removed, it is important
to install new o-ring, anti-extrusion, and copper
washers.
2. Remove the plunger retaining screw by turning
counterclockwise. Remove and replace copper
washer.
3. Remove and discard o-ring and anti-extrusion ring
from retainer screw.
4. Remove the plunger from the cross head and examine
it for cracks, scoring, or pitting.
5. Remove and discard copper flinger washer, clean
with solvent and allow to dry.
1. Install the copper flinger washer onto the cross head.
2. Slide the plunger onto the crosshead.
3. Lubricate an o-ring with crankcase oil and install into
the groove on the plunger screw. Install the anti-extrusion
ring into the groove next to the o-ring. Note: The o-ring
should be nearest the screw head and the anti-extrusion
ring nearest the threads.
4. Apply a drop of thread sealant to the threads of the
retainer screw.
5. Thread the plunger retainer screw into the cross head
making sure the copper flat washer is installed onto
the screw.
6. Torque the plunger retainer screw to the value indicated
in the torque section of the pump specifications.
1. Remove the head per “PUMP HEAD REMOVAL”.
2. Remove any packings and female adapters left on the
plungers by pulling them straight off. Insert proper
packing extractor onto the extractor hammer. Insert
packing extractor and tool through the packings and
adapters remaining in the head. Tighten the hammer
and remove the remaining items in the head. Remove
packings and o-rings from adapters. Discard the o-rings
and packings.
3. Clean the packing canities in the head and rinse with
clean water.
4. Clean exposed plungers. Clean male and female
adapters with soap and water and allow to dry.
5. Examine male and female adapters, discard worn items.
Trial fit the female adapters into the head checking for
binding or damage. Discard and replace damaged items.
6. Lubricate packing cavities in the head and all packings
and adapters with pump crankcase oil.
7. Lay head on the bench with packing cavities up. Install
one male adapter in each cavity with the flat side down.
8. Install one v-packing into each cavity with the lips
pointing down. A packing insertion too of the appropriate
size is recommended for this operation.
05-23-06 Z08-00063A
Supersedes 7-23-03 Z08-00063A
PLUNGER SERVICE
PLUNGER REMOVAL
PACKING SERVICE
PLUNGER
INSTALLATION
GENERAL PUMP MAINTENANCE
To Next Page
Loading...
