ELECTRIC AUXILIARY CIRCUIT 5.11 THE ERGONOMIC HANDLE CONTROL: Rocker Switch The Ergonomic Handle contains 3 switches: 1 rocker switch (fig. C3861) and 2 push button switches. (fig. 3860) The handle is normally installed only on the left hand control lever for the 137 / 153 loader. When installed on the LH lever: 1. The rocker switch controls the electric aux. func- tions. Pushing down on the left side of the rocker switch is the forward direction and pushing down on the right side is the reverse direction. 2. LH push button is a spare to be used if adding an option. 3. RH push button is for the horn. When installed on the RH lever: 1. The rocker switch is used to control the Hi-Flow option.
Pushing down on the left side of the rocker switch is the forward direction and pushing down on the right side of the rocker switch is the reverse direction. 2. The LH and RH buttons are used to turn the sig- nal lights on when the light kit option is installed. C3861 5 Push Button Switches To replace a defective switch: 1. Ensure the ignition switch is in the OFF position. 2. Remove the 4 screws that hold the 2 handle pieces together. (fig. C3862) 3. Remove the LH handle piece and pull the switch/wire assembly out of the RH handle piece. 4. The original rocker switch has the wires soldered to the terminals of the switch.
Take note of the wire color attached to each terminal before removing the wires. 5. The rocker switch has a tab on each end of the switch which needs to be depressed before removing the switch. 6. The rubber rocker cover can be replaced or reused on the replacement rocker switch at this time. 7. Replace the switch and reattach the wires. Proper female spade terminals may be soldered to the wires. C3860 After servicing the control handle be sure the hydraulic flow is circulating in the proper direction. Pushing on the LH side of the switch should engage the hydraulic system in the forward direction.
The female quick coupling must always be the power out when engaging the control mounted switch in this direction. Handle Pieces C3862 5-22