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Related Manuals for Carrier DM-4 Power Pack
Summary of Contents for Carrier DM-4 Power Pack
- Page 1 Bus Air Conditioning Unit DM-4 Power Pack T-270...
- Page 2 OPERATION AND SERVICE MANUAL BUS AIR CONDITIONING UNIT DM-4 POWER PACK Carrier Transicold Division, Carrier Corporation, P .O. Box 4805, Syracuse, N.Y. 13221 Carrier Corporation 1995 D Printed in U. S. A. 0695...
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Page 3: Table Of Contents
TABLE OF CONTENTS Section Page DESCRIPTION ............Introduction . - Page 4 ............Electrical Wiring Schematic Diagram --- DM-4 Power Pack .
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Page 5: Description
DESCRIPTION 1.1 INTRODUCTION 1.2 ENGINE DATA This manual contains Operating Data, Electrical Data Engine Model: CT-134TV and Service instructions for the DM-4 Power Pack. Displacement: 2.2liters (134 in WARNING No. of cylinders: Beware of V-belts and drive components as the... -
Page 6: Power Pack Dm-4
1. Radiator Cap 7. Oil Pressure Switch (OP) 2. Compressor --- 05K 8. Air Cleaner 3. Alternator 9. Lube Oil Fill 4. Glow Plug Control 10. Diesel Engine --- CT4-134-TV 5. Power Relay (PR) 11. Fuel Filter 6. Mechanical Fuel Pump 12. -
Page 7: Safety Devices
1.7 COMPRESSOR DATA into the engine causing excessive wear on all operating parts. However, it is the responsibility of the operator to Compressor Model: Carrier 05K give the air cleaner regular and consistent attention in No. of cylinders: accordance with the instructions. If the air cleaner is No. -
Page 8: Compressor Unloader
1.8 COMPRESSOR UNLOADER (8) to the solenoid valve stem chamber (2) and the back of the piston bypass valve (7). a. Unloaded Operation (Refer to Figure 1-5) With the solenoid valve (1) de-energized the solenoid Pressure from the discharge manifold (15) passes valve stem will close the bypass port (3). -
Page 9: Driver's Control Panel
2. Rear Starter Switch (RSS) CAUTION This switch is active only when the (RCS) switch is in Observe proper polarity when installing battery. the REAR position. Depressing this switch energizes the Negative battery terminal MUST be grounded. Reverse polarity will destroy the rectifier diodes starter circuit. -
Page 10: Operation
SECTION 2 OPERATION 2.1 PRE-TRIP INSPECTION 2.2 STARTING AND STOPPING INSTRUCTIONS. a. Starting Instructions, Main Control Panel 1. Place the Rear Control Switch (RCS) in the a. Before Starting engine REAR position. Observe that the pre heat light is illuminated indicating that the glow plug controller is functioning. -
Page 11: Troubleshooting
SECTION 3 TROUBLE SHOOTING REFERENCE INDICATION/TROUBLE POSSIBLE CAUSES SECTION DIESEL ENGINE 3.1.1 Engine Will Not Start Starter motor will not crank or Battery insufficiently charged Check low cranking speed Battery posts dirty or defective Check Bad electrical connections at starter Check Starter motor malfunctions 3.1.3... -
Page 12: Malfunction In The Engine Starting Circuit
REFERENCE INDICATION/TROUBLE POSSIBLE CAUSES SECTION 3.1.3 Starter Motor Malfunction (CONTINUED) Starter motor turns but pinion Pinion or ring gear obstructed or worn Clean both, does not engage remove burrs, or replace; apply grease Starter motor does not Start switch defective Replace disengage after switch was Starter solenoid defective... -
Page 13: Service
SECTION 4 SERVICE WARNING Beware of V-belts and belt driven components as the unit can be started remotely. Before servicing unit, make sure that the Front-Off-Rear switch is in the “OFF” position Also disconnect the negative battery cable. NOTE To avoid damage to the earth’s ozone layer, use a refrigerant recovery system whenever removing refrigerant. When working with refrigerant you must comply with all government environmental laws, EPA section 608 4.1 MAINTENANCE SCHEDULE UNIT... -
Page 14: Priming The Fuel System
Rinse system three times after it has cooled down. ple). Speed may be verified by a Strobette model 964 Refill system with water. (strobe tachometer) Carrier Transicold P/N 07-00206. 5. Run engine to operating temperature. Drain system 6. Hold the speed lever against the high speed stop and again and fill with treated water/coolant. -
Page 15: Adjusting Engine Speed
Strobette-model 964 (Strobe- air stream entering the engine. An excessive accumulation tachometer), Carrier Transicold Part No. 07-00206. of these contaminants in the air cleaner will impair its op- To Increase Speed: eration, therefore, a service must be set up and followed. -
Page 16: Servicing Fuel Pump
4.3.7 Servicing Fuel Pump 2. A second method is to disconnect the wire connec- tion to each plug and test the resistance from the plug to Due to foreign particles in the fuel, the fuel filter may ground on the engine block. Threading should be 0.7 to 1.2 become plugged or restricted, and the engine will lose ca- ohms if the plug is good. -
Page 17: Replacing The Compressor
8. Turn off and check belt tension. 6. Disconnect battery ground cable. Unbolt power relay and move out of the way. 7. Disconnect wiring to unloader valve assembly and high and low pressure cutouts. 8. Remove ten bolts from engine compressor spacer. 9. -
Page 18: Checking Compressor Oil Level
15. Install compressor in unit by reversing steps 1 Connect the suction connection of the gauge manifold through 14. It is recommended using new locknuts when to the compressor suction service valve port, and immerse replacing compressor. Torque bolts to a value of 46 ft/lb the common connection of the gauge manifold in an open (6.4 mkg). - Page 19 SECTION 5 ELECTRICAL 5.1 INTRODUCTION This section includes the electrical wiring schematic for the DM-4 Power Pack.
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Page 20: Electrical Wiring Schematic Diagram
Figure 5-1. Electrical Wiring Schematic Diagram --- DM-4 Power Pack Dwg. No. 061-287 Rev C...