Johnson Service Bulletin SB-944 - Remote Control Cables

February 22, 1963. Johnson Motors explained how to identify and install newer and current remote control cables in manual and electric shift control boxes, including trunnion caps and split spacer requirements.

Johnson Motors Service Bulletin letterhead
February 22, 1963
Bulletin No. SB-944
Accessories
SUBJECT: REMOTE CONTROL CABLES

We are presently supplying two different control cables for remote control hook-ups. As we explained in Dealer Letter #73, the newer cables will only supplement the present cables and not replace them. You will be shipped either type or both on future cable orders. Cables of either type, in identical lengths, carry the same service part number and same list price.

Figure 1 - New and current type remote control cable ends with labeled trunnion, tip and caps
Figure 1. REMOTE CONTROL CABLES - CONTROL BOX END
CABLE IDENTIFICATION:

The newer cable has a spherical trunion (Arrow A, Figure 1), a short monel tip (Arrow B, Figure 1) and, two plastic trunion caps (Arrows C, Figure 1) which are supplied with the cable taped to the trunion.

The current cable can be identified by its cylindrical brass trunion and its long brass tip (Figure 1).

CABLE INSTALLATION - MANUAL SHIFT REMOTE CONTROL BOX:

To install the current cable in a manual shift control box (figure 2), merely snap the trunion caps (supplied with control box kit) to the cable trunion and proceed to re-assemble unit.

To install the newer cable in a manual shift control box, merely use the trunion caps that are taped to the trunion and re-assemble the unit. Grooves in these caps must be aligned with the cable. In this instance, trunion caps furnished with control box kit are not required.

CABLE INSTALLATION - ELECTRIC SHIFT REMOTE CONTROL BOX.

Trunion caps are not required on either type cable for use in an electric shift remote control box (figure 3). If the newer cable is used - discard the trunion caps taped to its trunion.

Page 2
SB-944
Figure 2 - Manual shift control box technical diagrams
Figure 2. Manual shift control box. Trunion caps required with use of either type cable in this Remote Control Box.
Figure 3 - Electric shift control box technical diagrams
Figure 3. Electric shift control box. Trunion caps NOT required with use of either type cable in this Remote Control Box.
TRUNION CAPS:

Trunion caps for the current cable are available as service part #308055 at $.03 list each. Trunion caps for the newer cable are available as service part #309724 at $2.25 list each. Order these parts from your Parts Distributor. The standard parts discount applies.

Figure 4 - Cable packaging and split spacer
Figure 4
USE OF #307066 SPLIT SPACER.

A split rubber spacer is inserted into the packaging form and supplied with both types of cables (arrow A, figure 4). This item is to be slipped over the cable and positioned - (1) under the transom plate clamp if a transom plate is used, (2) under the clamp nearest the motor if no transom plate is used.

This assures proper clamp tension on the cable.

Page 3
SB-944
ADDITIONAL INSTALLATION INSTRUCTIONS:

Always use the "Remote Control Installation Instruction Booklet" when rigging a boat for remote motor operation. One of these booklets is supplied with every remote control assembly, both manual and electric shift, and serves to remove all guess work when making the installation.

Sincerely,

JOHNSON MOTORS

R. Compton
Service Department