Gasboy International Consumer Electric Pump 1820RSS

Remove self-tapping screws and lift off the front panel assembly.

Remove screws with fiber washers and lift off components

Withdraw all parts (8 through 22) while observing their position and relationship.

Remove screw (1) to take out the totalizer assembly (3).

Remove 4 screws to lift off the register (1 through 33) from the meter body.

Ensure appropriate container is ready to catch product when removing any cover

Remove front panel to access working parts of the pump

Remove cover plate (1) and square ring (2)

Note orientation of rotor (4) and vanes (36) in rotor slots

Remove key (3) and withdraw rotor and vanes from pump block (12)

Ensure means are available to catch liquid draining from the meter housing and lines.

Remove housing from meter body by taking out four screws.

Slide new O-ring over new bearing seal.

Insert shaft (14) through spacer (15) and bearing (16).

Press assembled shaft and seal through housing and seat the square of the bearing into the recess in the register housing (18).

Separate and clean top and bottom half of the measuring chamber

Ensure baffle is seated in grooves in top and bottom halves and through slot in measuring disc (7)

Did you avoid dropping or sharply striking chamber parts while handling?

Rotate disc to ensure it turns freely

Torque screws (4) to secure measuring chamber

Replace measuring chamber in meter body

Select the type of meter you are calibrating

Ensure the pump is adjusted for accurate measure for gasoline within + .05 gallons at the factory

Has the device been reported to local Weights and Measures officials for inspection?

Choose and record the flow rate for zero calibration point

Use a certified five-gallon measure with a sight glass and scale

Fill and drain the test measure to wet the interior surfaces completely