BJM Pumps KZN-HYD6R - Manual (Page 15)

16
KZN-HYD4(R)
DISASSEMBLY:
Remove (3) bolts (#50) holding strainer plate (#49) to strainer base (#48)
Remove (4) bolts (#47) holding strainer base to suction cover (#43).
Slide strainer base off while leaving strainer plate in place.
Secure impeller (#41) from turning by inserting a pry bar or similar tool between
impeller vanes and rest bar against boss on suction case.
Use large adjustable wrench to remove Agitator (#52) from shaft (#22).
Remove large Iock-washer from shaft.
Remove (4) bolts (#45) holding suction cover (#43) to volute (#32) and remove suction
cover.
Inspect wear slate (#44) and replace if worn excessively. The wear plate is secured by
(4) nuts w/bolts (#46) to the suction cover.
Remove impeller (#41) and shaft key (#42) from shaft. Inspect impeller and replace if
worn excessively.
Remove (6) bolts (#31) holding the outer casing (#14) to the volute and separate.
Remove shaft sleeve (#40) by sliding off of shaft. Inspect and replace if worn
excessively.
Remove oil drain plug (#29) and drain oil into drain pan.
Remove (4) bolts (#37) anti remove lower seal cover (#38) from seal chamber.
Inspect lip seal (#39) and replace if worn.
Very Carefully slide mechanical seals (#33) off of shaft.
Remove (4) bolts (#28) holding bearing support (#25) to casing (#14) and slide shaft
and bearing assembly. out of casing.