BENDIX BW1845 User Manual download pdf (Page 30)

1. Ensure that the governor control line from the

reservoir is located at or near the top of the

reservoir. (This line, if located near the bottom

of the reservoir, can become blocked or

restricted by the reservoir contents e.g. water

or ice.)

Bendix

Compressors: Park vehicle, chock

wheels, and follow all standard safety procedures.

Remove the governor and install a fitting to the

unloader port. Add a section of air hose (min 1ft

long for a 1/2" diameter line) and a gauge to the

fitting followed by a shut-off valve and an air

source (shop air or small air tank). Open the shut

Test 5: Governor Control Line

Test 6: Compressor Unloader Leakage

1. Inspect control lines to and from the governor

for restrictions (e.g. collapsed or kinked).

Repair as necessary.

2. Using a calibrated external gauge in the supply

reservoir, service reservoir, or reservoir port

of the D-2

™

governor, verify cut-in and cut-

out pressures are within vehicle OEM

specification.

3. If the governor is malfunctioning, replace it.

Tests (continued)

Test 4: Governor Malfunction

2. Perform proper reservoir drain intervals and

air dryer cartridge maintenance per

Maintenance Schedule and Usage Guidelines

(Table A on page 18).

3. Return the vehicle to service.

off and charge the unloader port by allowing air

pressure to enter the hose and unload the

compressor. Shut off the air supply and observe

the gauge. A steady reading indicates no leakage

at the unloader port, but a falling reading shows

that the unloader mechanism is leaking and needs

to be serviced.

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BENDIX BW1845 User Manual Page 30