
15
Rev
10/2018
Operating, Installation, and Maintenance
THD Assembly Instruction (Continued)
Pump Assembly – THD Closed Coupled
Step 6
Place
the
casing
cover
(item
011)
on
bracket
(item
803).
Use
hex
head
bolts
(item
120
‐
2).
Step 7
Insert
the
key
(item
039)
into
motor
shaft.
Step 8 - A
Insert
the
impeller
wear
ring
(item
025)
on
the
impeller
(item
021),
using
a
soft
face
hammer.
Step 8 - B
Place
the
impeller
(item
021)
on
motor
shaft
using
the
impeller
bolt
(item
275)
and
bushing
(item
080).
Step 9
Insert
the
casing
wear
ring,
(item
107)
on
casing
(item
001)
using
a
soft
face
hammer.