Bell & Gossett DN0162F HS Vented Boiler Feed Units Series HBF and VBF User Manual
Page 8

Xylem Inc.
8200 N. Austin Avenue
Morton Grove, Illinois 60053
Phone: (847) 966-3700
Fax: (847) 965-8379
www.xyleminc.com/brands/bellgossett
Bell & Gossett is a trademark of Xylem Inc. or one of its subsidiaries.
© 2012 Xylem Inc. DN0162F November 2012
(4) The carbon ring of the rotating seal part should not be
loose in the seal head. If it is, apply a small amount of
grease to the rubber bellows underneath the carbon
ring to hold the ring in place. Using clean, lint free
cloth, wipe mating surfaces perfectly clean. Soap shaft
and push seal onto shaft so that carbon will contact
ceramic seal. If spacer is required, use grease to cause
spacer to adhere to bottom of seal after seal has been
put on shaft. Be sure spacer is on larger diameter of
shaft so that it will not catch between shoulder and
impeller.
13. Replace impeller on shaft. Replace stainless steel washer
and secure impeller with capscrew or cap nut.
14. Place new gasket on pump volute and reassemble motor
and pump subassembly on pump volute.
15. Reconnect pump bleed line and motor wiring.
16. Close drain and slowly open inlet valves. See warning.
17. Jog to check motor rotation. See caution.
18. Observe operation thru several cycles.
Item
No.
Part
Number
Description
Req’d.
No.
1
Motor — Order by Description
1
Consult Factory
2
Impeller
1
Consult Factory
3
Pump Head
1
DP0208
4
Case with Wear Ring
1
DP1603
5
Wearing Ring
1
DP0482
8
Impeller Capscrew
1
DJ0213
9
Impeller Washer
1
DJ0267
10
Capscrews
8
DJ0066
18
Water Slinger
1
DP0848
Seal Kit Including Mech
6,7
Seal, Head Gasket
1
180014
Complete Pump and
Motor Assembly
1
Consult Factory
Case to Rec. Gasket
1
DG0060
Order Replacement Parts by Description and Part No.
Specify Serial No. shown on nameplate.
CAUTION / DO NOT RUN DRY. SEAL DAMAGE
MAY OCCUR: Inspect pump seal regularly for
leaks. Replace as required. Failure to follow these
instructions could result in injury or property damage.
CAUTION / DO NOT REVERSE: Reverse operation
can cause extensive damage to pumps. Jog the
motor to test for direction of rotation. Failure to follow
these instructions could result in injury or property damage.
WARNING: EXPLOSIBLE
Do not pressurize receiver. Isolate receiver during
leak test. Do not plug overflow. Do not restrict vent opening
to atmosphere. Open valves slowly. Failure to follow these
instructions could result in serious injury or death.