Hunter G800 Series, Руководство пользователя

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TABLE OF CONTENTS I INLET VALVE REMOVAL
INLET VALVE REMOVAL I TABLE OF CONTENTS
Inlet valve removal option 2 – Once the white lower snap-ring has been removed, the inlet valve
is released and is ready for removal. First notice the raised wall or rib that protrudes upward
from the center of the inlet valve (FIGURE 86). Use the 16” Needle-Nose Pliers Tool to grab this
protruding rib firmly. While holding the protruding rib firmly with the 16” Needle-Nose Pliers Tool,
pull upward to disengage and remove the inlet valve from the rotor’s body (FIGURE 87).
INLET VALVE REMOVAL – G900 SERIES
With the main-line or sub-main depressurized, the riser assembly removed, the water extracted
from the body cavity, and the safety interlock feature disengaged, proceed with removal of the
G900’s white lower snap-ring and inlet valve as follows:
First, notice that close to each end of the white lower snap-ring there are eyelets (areas with a
hole for access). These two eyelets are used to remove the white lower snap-ring (FIGURE 88).
To remove the white lower snap-ring, insert the metal end of the Snap-Ring Tool into one of the
eyelets. Next, twist the Snap-Ring Tool’s handle while forcing the tip of the tool towards the
center of the rotor’s body cavity (FIGURE 89). This action will disengage one end of the white
lower snap-ring from the recessed groove at the base of the rotor’s body. With the white lower
snap-ring disengaged from the groove, pull the tool upward to remove the white lower snap-ring
(FIGURE 90).
Once the white lower snap-ring has been
removed, the inlet valve is released and is ready
for removal. G900 Series inlet valves are
removed from the body using the G900 Valve
Tool. Prior to using the tool, familiarize yourself
with the individual features of the G900 Valve
Tool. First, notice there are hooks at the end of
each metal bar (FIGURE 91). These hooks are
used to grab/hook the inlet valve for removal
from the rotor’s body. The black plastic part of
the G900 Valve Tool includes physical features
that hold or nest the inlet valve to the tool
during inlet valve removal and installation.
In order to engage the inlet valve with the G900
Valve Tool properly, you must be familiar with
the pointing and alignment features on the
tool’s black plastic part. First, look at the top
inside diameter (inner circle) of the black plastic
part on the tool. Next, find the small pointer
arrow that protrudes towards the center
(FIGURE 92). This pointer is used to indicate
the direction and alignment that the tool must
have as it is inserted into the rotor’s body.
Directly below the pointer on the underside of
the G900 Valve Tool there are a series of raised
tabs. The tab directly below the pointer appears
to be missing but this gap between tabs is
intentional (it is designed to be this way). When
the tool is nested to the valve, the gap provides
clearance for the inlet valve’s communication
port (FIGURE 93).
Fig 86
Fig 87
Fig 86
Fig 87
FIGURE 86 FIGURE 87
Fig 88 Fig 89 Fig 90
Fig 88 Fig 89 Fig 90
Fig 88 Fig 89 Fig 90
FIGURE 88 FIGURE 89 FIGURE 90
Fig 91
Fig 93
Fig 92
Fig 91
Fig 93
Fig 92
Fig 91
Fig 93
Fig 92
FIGURE 91 FIGURE 92 FIGURE 93