Maintenance
HPR400XD Auto Gas – 806160 5-37
2.0
1.8
1.6
1.4
1.2
1.0
.8
.6
.4
.2
1.2
1.0
Flow
direction
Float
Read from this edge
Example shown 1.1
Using the Hypertherm flow meter (128933)
Use the steps below to get an accurate reading from the flow meter.
1. Hold the flow meter upright. Square in both axis.
2. Take your reading from the edge shown below.
Right side orificeLeft side orifice
Filler cap
Bypass valve
Bypass valve verification
1. Remove the cooler’s filler cap.
2. Stand in front of the cooler with the pump running, and look inside the coolant tank.
3. Coolant should be flowing from the orifice on the right. If coolant is flowing from the orifice on the left, look for a
restriction in the coolant path. Install a new bypass valve if there is no obstruction.