V-Packing Replacement - Allpro 400E Operations Manual & Parts List

V-PACKING REPLACEMENT

DISASSEMBLY
1. Remove the Fluid Pump as per "Fluid Pump
Disconnect" instructions on page 18.
2. Unscrew the packing nut and suction assembly.
Push piston rod out through bottom of pump body.
Remove the upper packings, belleville springs, tube
spacer and lower packing set using packing removal
tool (PN 331-153).
3. Disassmble and clean all parts for reassembly.
Discard old packings, adaptors and O-Rings.
REASSEMBLY
1. Lubricate piston rod with oil or grease.
2. Soak leather packings in throat seal oil or other
light-weight oil for 10-15 minutes.
3. Reassemble all parts onto piston rod in following
order as per Fig.15 & 16:
a. Start with lower male adaptor (15)
b. Five V-Packings (16 & 17), "V" inverted.
c. Female adaptor (18).
d. FiveV-Packings (16& 17), "V" up.
e. Male Adaptor (15)
f. Slide on tube spacer (10).
g. Three Belleville Springs (9) starting with the
first spring facing down. (
facing up ( ), and the third one facing
down ( ).
h. Upper male adaptor (8).
i. Five V-Packings, "V" inverted (6 & 7).
k. Place O-rings (3 & 4) onto seal holder (2)
l. Lubricate outside diameter of V-packings
with white lithium or multipurpose grease.
m. Slide seal holder (2) over Upper Packing
Set.
n. Lubricate threads on inside of pump body
with white lithium or Multipurpose grease.
4. Hold pump body in one hand upside down and slide
entire piston assembly with packings up into pump
body. While inserting piston and packing assembly,
5. Install packing nut, handtight only. Push piston rod
up to its upper position.
6. Connect the fluid pump onto Unit as per "Fluid
Pump Reinstall" Procedures on page 18.
FIGURE 15
), second one
2
3
4
5
6
8
10
15
16
15
7
9
11
17
18
21