
UNIBLOC-PD Operation & Service Manual: PD600-677 33
6.3 Torque Requirements & Special Tools
6.3.1 Torque Requirements
The following table lists torque settings. Contact Unibloc-Pump or an authorized service center for torque require
-
ments for applications with service pressures exceeding 21 bar (300 psig).
6.3.2 Special Tools
There are only a few special tools needed to assemble Unibloc PD600 Series pumps in a safe and secure way.
Please contact your pump supplier for ordering information.
PART
TOOL
(Size)
TORQUE SETTING
N·
m (ft·lb)
REAR ROTOR HOUSING STUD NUTS
WRENCH (30MM)
60 (44)
ROTOR BOLTS
(SINGLE-BOLT STYLE SHAFTS)
SOCKET W/ P.N. 6007-2 (17MM)
122 (90)
ROTOR BOLTS
(THREE-BOLT STYLE SHAFTS)
HEX KEY (10MM)
73 (54)
ROTOR LOCK NUT
(SINGLE-BOLT STYLE SHAFTS)
SOCKET (65MM)
434 (320)
FRONT COVER STUD NUTS
WRENCH (19MM)
50 (37)
BEARING HOUSING COVER BOLTS
SOCKET (17MM)
40 (30)
FRONT BEARING RETAINER RING BOLTS
SOCKET/ WRENCH (17MM)
50 (37)
P.N. 6010-2
65mm Wrench for Single-Bolt style shafts
(PD602/652/677 Models Only)
P.N. 6007-2
Rotor Bolt Removal Tool
(PD602/652/677 Models Only)
P.N. 6011
Double O-Ring Seal Removal Tool
(PD602/652/677 Models Only)
P.N. 6012
Seal Installation Tool
(PD602/652/677 Models Only)
P.N. 6190B
Rear Bearing Assembly Sleeve
P.N. 6190A
Front Bearing Assembly Sleeve