Disassembling And Assembling The Pump Unit; Assembling The Pump Unit; Procedure For Mounting The Pump Onto The Electric Motor; Getting The Pump Unit Back Into Operation - Danfoss APP W HC Series Operation Manual

Operation guide | Installation, Operation and Maintenance APP W HC 15 - 30 pumps
14
F) Slowly unscrew and remove the bolts and
gaskets from the inlet/outlet hoses or
pipes, be careful about jets of water .
Beware that the system can be pressurized!
G) Attach the lifting equipment to the pump
unit . For instructions on lifting the
complete pump unit, see chapter 4, Arrival
inspection, transportation, handling, lifting
and storage .
H) For the small pumps, unscrew the bolts
holding the pump to the bell housing . For
the bigger pumps, unscrew the bolts/nuts
from the pump and bell housing to the
motor . Afterwards unscrew the bolts/nuts
holding the pump and bell housing .
I) Carefully pull the pump out of the bell
housing by using lifting equipment, if
necessary .
J) Hold the pump in different positions above
a drip tray; this should allow most of the
water trapped in the pump to drain . Clean
and dry the pump surface and plug the
bleeding and draining plugs .
K) Move the pump to a clean and safe location
where the pump can be inspected/
serviced .
7.4 Disassembling and assembling the
pump unit
A) Remove all connections from the pump .
B) Disassemble the pump according to the
Disassembling and Assembling Instruction
(available at www .hpp . d anfoss . c om)
Clean all parts and surfaces with a fluid
compatible with the materials found in the
pump . Wipe the parts clean and dry with a
lint-free clothing .
C) Inspect all parts including shaft seal and if
necessary, replace them; see appendix 3,
Parts list .
D) If the pump is going to be returned to
Danfoss for repair or a warranty claim, it is
important to contact Danfoss in order to
receive a return number and a form to fill
out with product information . A copy of the
form together with contact information
and reason for returning should be sent to
the email address on the form . The same
documents should be attached to the
shipment .
180R9410 | AQ282628894589en-000801 | IOM APP W HC 15-30 Pumps | 01.2022
Returns without a return number will be
rejected !!!

7.5 Assembling the pump unit

Assemble the pump according to the Dis-
assembling and Assembling Instruction
(available at www .hpp . d anfoss . c om) .
7.6 Procedure for mounting the pump onto
the electric motor
Mount the flexible coupling and bell housing
according to appendix 2, Instruction .
7.7 Getting the pump unit back into
operation
Find instructions of how to put the pump unit
back into operation in chapter 4, Arrival inspec-
tion, transportation, handling, lifting and storage
and Installation and commissioning, chapter 5 .
7.8

Storage of the pump

If the pump has to be shut down for a longer
period, instructions can be found in appendix 2,
Instruction .