GAUGE AS-SIGHT 1927619 - Caterpillar

Introduction
This Special Instruction outlines the basic steps and procedures to be used in order to install a new control panel for the air conditioning unit or the heating unit. The new 126-8330 A/C Electronic Control Panel replaces 113-8478 A/C Electronic Control Panel and the new 126-8332 Heater Electronic Control Panel replaces 113-8479 Heater Electronic Control Panel .The new control panel will be more usable to the operator.Do not perform any of the procedures until you have read the information in this publication.Required Parts List
Table 1
Required Parts    
Part Number     Description     Quantity    
126-8330     A/C Electronic Control Panel     1    
126-8332     Heater Electronic Control Panel     1    
117-2861     Harness Assembly     1    
115-8051     Plate     1    Machines that are selected for this Procedure
The following machines can be equipped with the new 126-8330 A/C Electronic Control Panel :
312(S/N: 6BL1-UP)
315(S/N: 3ZM1-UP)
317(S/N: 4MM1-UP; 9SR1-UP)
320(S/N: 9WG1-UP; 4ZJ1-UP; 3XK1-UP; 6KM1-UP)
322(S/N: 8ML1-UP; 9RL1-UP; 4RM1-UP; 9JL1-UP)
325(S/N: 9ZK1-UP; 2SL1-UP; 3LL1-UP; 6RM1-UP; 8NK1-UP; 7LM1-UP)
330(S/N: 6ZK1-UP; 8CK1-UP; 2EL1-UP; 2ZM1-UP; 5YM1-UP)
350(S/N: 8HK1-UP; 2ZL1-UP; 3ML1-UP; 8KZ1-UP; 9FL1-UP)
375(S/N: 8WJ1-UP; 6NK1-UP; 6RL1-UP; 9WL1-UP; 1JM1-UP)
5080(S/N: 6XK1-UP; 8SL1-UP)The following machines can be equipped with the new 126-8332 Heater Electronic Control Panel :
312(S/N: 6GK1-UP; 6BL1-UP)
315(S/N: 3ZM1-UP)
317(S/N: 4MM1-UP; 9SR1-UP)
320(S/N: 9WG1-UP; 6KM1-UP; 4ZJ1-UP; 3XK1-UP)
322(S/N: 3LL1-UP; 8ML1-UP; 9RL1-UP; 4RM1-UP; 9JL1-UP)
325(S/N: 6RM1-UP; 9ZK1-UP; 2SL1-UP; 8NK1-UP; 7LM1-UP; 6RM1-UP)
330(S/N: 9WJ1-UP; 6ZK1-UP; 8FK1-UP; 2ZM1-UP; 2ZM1-UP; 2EL1-UP; 5YM1-UP; 5YM1-UP; 8CK1-UP)Procedure for Installing the New Control Panel
Follow this procedure in order to install either of the new control panels. The procedure will outline the basic steps that are need in order to install the 126-8330 A/C Electronic Control Panel . However, the procedure for the 126-8332 Heater Electronic Control Panel is identical.
Illustration 1 g00956646
Location of the old control panel (1) Old control panel (2) Wire harness (3) Screws (4) Left console
Remove old control panel (1) by unscrewing two screws (3). Gently pull out the control panel. This will expose wiring harness (2) .
Unplug wire harness (2) from the back of old control panel (2) .
Illustration 2 g00959697
Left console (5) Cover (6) Screws
Remove cover (5) on the left console by unscrewing four screws (6). This is the new location for the new control panel.
Illustration 3 g00956817
(4) Left console (7) 126-8330 A/C Electronic Control Panel or 126-8332 Heater Electronic Control Panel (8) 117-2861 Wire Harness
Connect 117-2861 Wire Harness (8) to the old harness. Route the 117-2861 Wire Harness through the left console. See Illustration 3.Note: You may need to remove the left console in order to route the wire harness. See the appropriate Disassembly and Assembly Module for the proper procedure that is for your machine.
Connect wire harness (8) to the back of the new control panel.
Place new control panel (7) into position in the left console. Fasten the control panel into the location with the four screws that were removed in Step 3.
Place the 115-8051 Plate into the location of the old control panel. Use the two screws that held the old control panel