23HARDI
®
NAVIGATOR 550M, 800M, 1000M CENTRIFUGAL OPERATOR'S MANUAL
4.7 Operation of Centrifugal Bypass Kit (Early models only)
The Centrifugal Bypass Kit is designed to improve the priming of the
Centrifugal pumps.
1. Before starting the pump, fi ll the main tank and release any trapped
air in the system by holding valve (A) (Fig. 13) open for several
seconds.
Note: Valves (A) and (B) are only present when a Centrifugal Bypass
Kit has been installed.
2. Flip valve (B) (Fig. 14) to the "open" position and then start the pump
(See Section 4.8).
3. Once the pump is "primed", valve (B) (Fig. 14) may be closed.
Fig. 13
A
Fig. 14
B
OPEN
CLOSED