20
21
Fluid Pump Removal -
Refer to Figure 11
1.
Follow steps 1-9 on page 16 under Removal
procedures.
Disassembly of the Fluid Pump - Figure 16
1.
Unscrew & remove the packing nut (331-037).
2.
Push the piston rod (331-708) down through the
packings & out of the pump.
3.
Now push the packing removal tool (187-249) up
through the pump & remove from the top bringing
packings, spacer & springs along with it, leaving fluid
body (331-011) empty.
*Make sure all old packings & glands have been
removed from fluid pump.
4
. Clean inside of fluid body (331-011).
5.
Disassemble all parts & clean for reassembly. Discard
any old packings.
6.
Lubricate leather packing in lightweight oil for 10
minutes prior to reassembly.
Disassembly of the Outlet Vavle - Figure 13
1.
Follow steps 2-6 on page 19 under Disassembly of
the Outlet Valve.
REASSEMBLY -
Figure 15 & 16
1.
Take lower male gland (331-014) & place it down on
the fl at side.
2.
Take three of the lower polyethylene packings (331-
016) & two of the leather packings (331-306) & place
onto the male gland in the following order with the
inverted side down :
polyethylene, leather, polyethylene, leather, polyethylene.
3.
Take the female adaptor (331-305), which is inverted
on both sides , & place it on top of your
assembled lower packings.
4.
Follow step 2 above with your packings inverted side
up.
5.
Take the second lower male gland and place it on top
of your assembled packings with the rounded side
down.
6.
Take assembled glands & packings (13 pieces) & slide
on to the lower half of the piston.
7.
Take the spacer (331-018) & slide over the top of the
piston (it doesn’t matter which direction it sits), falling
onto lower packings.
Replacement Instructions:
Packing Replacement Procedures
(
( (
8.
Take three Belleville Springs (331-025) & slide over the top
of the piston in the following order:
* First spring, curve facing down
* Second spring, curve facing up
* Third spring, curve facing down
9.
Take upper male gland (331-022) & place it rounded side
up.
10.
Take three upper polyethylene packings (331-023) & two
leather packings (331-307) & assemble with inverted side
down , on to the male gland in the following order:
polyethylene, leather, polyethylene, leather, polyethylene.
11.
Take upper female gland (331-021) & place on top of the
assembled upper packings with the inverted side down.
12.
Take assembled upper glands & packings (7 pieces) & slide
on over the top of the piston, making sure inverted sides are
down.
13.
Take the packing holder (331-019) & replace the white
O-ring (106-009) & the black O-ring (106-010) with new
ones from the packing kit.
14.
Slide the packing holder over the top of the upper packings
so they fi t inside.
15.
Lubricate inside of the fl uid pump body & the outside of
the packings with a light weight oil.
16.
Slide completed assembly into fl uid pump body (331-011).
* To keep packings secured in correct position, hold
the pump body upside down & push the completed
assembly upwards into the pump body. Once placed
inside, tilt pump body back up to keep all pieces in.
17.
Tighten packing nut (331-037) onto the top of the fl uid
pump body & tighten until you feel slight resistance against
the Belleville Springs (331-025). Using the Packing
Adjustment Tool (189-211), tighten another 3/4 of a turn.
Fluid Pump Reinstallation - Figure 11 & 14
1.
Follow steps 1-9 on page 16 under reinstallation prcedures.
Summary of Contents for LP 400
Page 24: ...22 Packing Replacement Procedures Continued FIGURE 16 FIGURE 15...
Page 30: ...28 NOTES...
Page 31: ...29 NOTES...
