USER INSTRUCTIONS POLYCHEM GRP ENGLISH 71569132 12-04A
Page 33 of 52
flowserve.com
When ordering spare parts the following information
should be supplied:
1) Pump serial number.
2) Pump size.
3) Part name
–
taken from section 8.
4) Part number
–
taken from section 8.
5) Number of parts required.
The pump size and serial number can be found on
the name plate located on the bearing housing. (See
figure 3-1.)
To ensure continued satisfactory operation,
replacement parts to the original design specification
should be obtained from Flowserve. Any change to
the original design specification (modification or use
of a non-
standard part) will invalidate the pump’s
safety certification.
6.3.2 Storage of spares
Spares should be stored in a clean dry area away
from vibration. Inspection and re-treatment of
metallic surfaces (if necessary) with preservative is
recommended at 6 monthly intervals.
6.4 Recommended spares and
consumable items
Recommended spares include: mechanical process
fluid seals, bearing housing lip seals, bearings,
shafting, impeller, and gaskets.
6.5 Tools required
A typical range of tools that will be required to
maintain these pumps is listed below.
Standard hand tools:
Hand wrenches
Socket spanners (wrenches)
Allen keys (wrenches)
Range of screwdrivers
Soft mallet
More specialized equipment:
Bearing pullers
Bearing induction heater
Dial test indicator
Flowserve Mark 3 tool kit. (See 6.1 below.)
Figure 6-1: Flowserve Mark 3 tool kit
6.6 Fastener torques
Figure 6-2: Recommended bolt torques - ISO (US)
Item
Description
Group 1
Non-lubricated
Group 2
Non-lubricated
Group 3
Non-lubricated
n/a
Suction and discharge flange bolting
41 Nm (30 lbf•ft)
41 Nm (30 lbf•ft)
41 Nm (30 lbf•ft)
[6570.2] Bearing retainer cap screws
3
/
16
in. -
6 Nm (4 lbf•ft)
3
/
16
in. -
6 Nm (4 lbf•ft)
5
/
16
in. -
16 Nm (12 lbf•ft)
[6570.6] Bearing housing to adapter cap screws
n/a
½ in -
54 Nm (40 lbf•ft)
⅝
in -
122 Nm (90 lbf•ft)
[6580.2] Seal gland nuts
7 Nm (5 lbf•ft)
14 Nm (10 lbf•ft)
14 Nm (10 lbf•ft)
[3712.2] Impeller nut, polygon drive
27 Nm (20 lbf•ft)
48 Nm (35 lbf•ft)
48 Nm (35 lbf•ft)
[6570.1] Casing-to-cover bolting
14 Nm
(10 lbf•ft)
14 Nm (10 lbf•ft)
14 Nm (10 lbf•ft)
[2912]
Impeller nose cone nut
–
non-metallic
3 Nm (2 lbf•ft)
3 Nm (2 lbf•ft)
n/a
[6570.3] Bearing carrier set screws
⅜
in. -
16 Nm (12 lbf•ft)
½ in. -
41 Nm (30 lbf•ft)
½ in. -
41 Nm (30 lbf•ft)
6570.5] Rear foot cap screw
½ in. -
54 Nm (40 lbf•ft)
¾ in. -
217 Nm (160 lbf•ft)
1 in. -
300 Nm (228 lbf•ft)
[6570]
Cap screws
–
all other with GRP contact
20 Nm (15 lbf•ft)
20 Nm (15 lbf•ft)
20 Nm (15 lbf•ft)
Note:
1.) For lubricated threads, use 75 % of the values given.
2.) Gasket joint torque values are for Aflas or 60 - 70 durometer Viton gaskets. Other gasket materials may require additional torque
to seal. Exceeding metal joint torque values is not recommended.
