300SDL (126.125) L6-3.0L DSL Turbo (603.961) (1987)
Accumulator: Testing and Inspection
Accumulator Level Control
Central Reservoir Gas Filling Pressure Check
Central Reservoir Gas Filling Pressure Check
126 Series
This check should be performed if the system warning light on the instrument panel remains lit with the ignition switch in the On position and the
engine not running. Pressure tester kit No. 126589022100 is required for performing this check.
1.
Perform steps 1 through 3 as described under ``Pressure Regulator Test.''
Fig. 3 Valve unit adjusting switch
2.
Move adjusting switch, Fig. 3, to ``N'' position.
3.
Start engine, then slightly increase engine speed while observing pressure gauge.
4.
The gas filling pressure will be indicated when pressure gauge needle rises spontaneously to a pressure value and should be 73-77 bar (1059-1117