HARDI-EVRARD ALPHA PLUS 4100 - Hydraulic Circuit Troubleshooting; Hydraulic Oil Level Alarm Response; Towing Procedures and Safety

ALPHA PLUS HARDI NOVA
FF AA UU LL TT SS II NN OO PP EE RR AA TT II OO NN
CHAPTER
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An oil level indicator is situated at the top of the hydraulic reservoir. If audible alarm buzzer a located under
the instrument panel indicates a leak of oil in the hydraulic system.
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66 -22 HH YY DD RR AA UU LL II CC CC II RR CC UU II TT SS
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Prior to any towing of the mobile unit as aresult as a result of failure of the engine or hydraulic cir-
cuit, it is essential to :
1- CANCEL THE SETTING OF THE HIGH PRESSURE VALVE OF HYDROSTATIC PUMP
2- RELEASE THE FOUR BRAKES OF THE HYDRAULIC MOTOR
- Stop immediatly the engine.
- Check the leak of the hydraulic circuit.
- Fill the reservoir with the same characteristic hydraulic oil.
DD
: Slacken locknuts ref.
EE..
EE
: Completely unscrew the 2 Hc bolts situated in the safety nuts to cancel the setting of the valves (size 5
spanner 90R100 / size 8 spanner 90R130).
Locknut
EE
FF
HP pressure jack
FF
VIEW F
HP valves
11- AAccttiioonn oonn tthhee aaddvvaanncciinngg hhyyddrroossttaattiicc ppuummpp
Adjustement
screw
IN THE EVENT OF FAILURE OF HYDROSTATIC CIRCUIT, ACTIVATE THE PARKING BRAKE