1. Disconnect the socket of connection of the switch. Start the engine.
2. Establish forward wheels directly and check that the switch disconnected a chain.
3. Turn wheels at first in one, then in other party against the stop and check that the switch closed a chain when wheels are almost completely turned.
4. Replace the switch if it is faulty.
Replacement
PERFORMANCE ORDER
1. Disconnect the socket of connection and unscrew the switch.
2. Installation is carried out upside-down removals.