Key Switch; Power Boost Switch; Horn Switch - Hitachi ZAXIS 135US-6 class Operator's Manual

Key Switch

1- OFF (Engine Off )
2- ACC (Horn, Radio etc.)
3- ON (Engine ON)
4- START (Engine Start)

Power Boost Switch

Power boost switch (5) is provided on the top of the right
control lever.
While pressing power boost switch (5), the maximum digging
power is boosted within approximately 8 seconds to increase
work capacity.

Horn Switch

Horn switch (6) is provided on the top of the left control lever.
The horn sounds continuously as long as switch (6) is pressed.
OPERATOR'S STATION
1-104
6
1
2
3
4
MDC1-01-502
5
MDAA-01-292
MDAA-01-293