Comet GXD Series - Pressure Adjustment and Torque Settings; Setting the Pressure Limiting;Adjustment Valve; Torque Wrench Settings

24
The applications for the pump must always be executed according to the general rules of mechanics.
The Manufacturer’s Service Centre is at the disposal of installers for any further information.
The pump may rotate either clockwise or anticlockwise.
10.2 SETTING THE PRESSURE LIMITING/ADJUSTMENT VALVE
« CAUTION
• Operating pressure must never exceed the maximum level envisaged for the pump (also refer to
the “FEATURES AND TECHNICAL SPECIFICATIONS” section.
Turn the hexagonal nut on the valve (3) clockwise to increase pressure; anticlockwise to decrease
pressure (refer to gure 1).
10.3 TORQUE WRENCH SETTINGS
The torque wrench settings to be used are illustrated in the following table (refer to g. 1)
DESCRIZIONE
VRX
Torque wrench
Nm. lb. ft.
GXD
Torque wrench
Nm. lb. ft.
3
Hexagonal coupling pressure limiting adjustment valve 22 (16,2) 32 (23,6)
9
Detergent suction coupling 7 (5,2)
11
Delivery valve cap (brass head) 25 (18,4) 45 (33,2)
12
Hexagonal coupling thermale valve 7 (5,2)
14
Pump head screw 22 (16,2) 25 (18,4)
15
Screw for engine ange support 7 (5,2)
16 Crankase screw 25 (18,4)