14M3 Motor Grader Electrical System Troubleshooting Caterpillar

HVAC, Required Tools

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Table 1
Required Tools
Part Number	Part Description
Recovery, Recycling, and Recharging Systems
285-7352	Refrigerant Service Unit (Recovery/Recyling/Recharging) (115 V / 60 Hz)
285-7353	Refrigerant Service Unit (Recovery/Recyling/Recharging) (220-240 V / 50 Hz)
208-1338	Refrigerant Service Unit (Recovery)
208-1317	Refrigerant Filter-Dryer
Charging Scales and Manifold Gauges
168-1959	Electronic Charging Scale (115 V / 60 Hz)
168-1961	Electronic Charging Scale (220-240 V / 50 Hz)
168-1958	Electronic Charging Scale (Battery)
208-1341	Manifold Gauge Set
Tanks and Hoses
300-3526	Refrigerant Tank (22.7 kg (50 lb))
208-1352	Heater Blanket As
272-3090	Refrigerant Charging Hose
208-1332	Refrigerant Hose
208-1333	Refrigerant Hose
208-1339	Refrigerant Coupler (Low Pressure)
208-1340	Refrigerant Coupler (High Pressure)
Vacuum Pumps and Accessories
208-1381	Vacuum Pump (1.2 CFM, 110 V / 60 Hz)
208-1356	Vacuum Pump (4 CFM, 110V / 60Hz)
208-1357	Vacuum Pump (4 CFM, 220-250 V / 50-60 Hz)
208-1353	Thermistor Gauge
1U-9763	Vacuum Pump Oil
Miscellaneous Air Conditioning Tools
372-7501	Refrigerant Analyzer Tool Gp
262-4934	Refrigerant Identifier (110/220 V 60/50 Hz)
153-8537	Air Conditioner Flushing Unit (Cart)
153-8538	Refrigerant Flushing Solution
153-9033	Adapter Kit (Air Conditioner Flushing)
208-1374	Leak Detector Kit
9U-6494	Refrigerant Oil Injector
208-1375	Orifice Tool Gp
144-0235	Belt Tension Gauge
208-1350	Radiator Tool Gp
9U-5325	Thermometer
270-1540	O-ring Kit
383-3518	Air Conditioner Kit
Miscellaneous Tools
233-8583	Eye Protection Goggles (Vented)
5P-7277	Voltage Tester
8T-0500	Continuity Tester
269-3123	Pen Light UV Leak Detection
237-5130 257-9140	Digital Multimeter Gp
1U-8590	Spanner Wrench

Note: The schrader valves used in the high and low-pressure sides of the A/C system are located in 149-2491 Air Conditioner Fitting As which contains 3E-4051 Seal Cap and 3E-4057 Valve As for the low-pressure side. 236-9888 Air Conditioner Fitting As which contains 3E-4052 Seal Cap and 3E-4058 Valve As for the high-pressure side.

Note: Use of a portable flushing unit is permissible only if 153-8538 Refrigerant Flushing Solution is used and all procedures are followed per Testing and Adjusting, UENR4125, "Refrigerant System - Flush". The refrigerant flushing solution can ONLY be reused after being filtered.

Note: The 383-3518 Air Conditioner Kit provides the valves and caps required when replacing the lines group air conditioner. The kit includes the following: one 3E-4051 Seal Cap, one 3E-4052 Seal Cap, one 3E-4057 Valve As and one 3E-4058 Valve As.