Cummins — HG190, HG220 Engine Manual

www.changlin.com.cn Repair Procedures The various repair procedures in this section have been organized by engine system. The summary statement of the steps and the tools needed for the replacement of a component, provided at the beginning of each group, will allow you to quickly assess the size of the task. Follow the appropriate, illustrated steps to complete the repairs.

Repair Tools Required Sockets Wrenches Other 10mm 12mm 8mm Allen Wrench (8mm) 13mm 10mm Breaker Bar (3/8 in.sq.drive) 15mm 13mm Flat Screwdriver 17mm 15mm Ratchet (3/8 in.sq.drive) 18mm 17mm (open end) Ratchet (1/2 in.sq.drive) 19mm 19mm Filter Wrenches (75-80mm, 90-95, and 118-131 mm) 22mm 22mm T-Bar Puller (75mm) 27mm 24mm Torque Wrench Pliers Engine Barring Gear, Part No. 3377371 Cooling System Repair Summary Avoid prolonged and repeated skin contact with used antifreeze and wash thoroughly after contact. Keep out of reach of children. Such prolonged WARNING repeated contact can cause skin disorders or other bodily injury.

Wait until the temperature is below SCC [120°F] before removing the coolant system pressure cap. Failure to do so can cause personal Injury from heated coolant spray. 92 / 149 pages Component To Be Replaced Tools Preparatory Steps Drive Belt Breaker Bar (3/8 inch Square drive) Belt Tensioner Ratchet (3/8 inch drive) Remove Drive Belt 15mm Socket and Torque Wrench Fan Hub 10 mm Socket/Wrench Remove Drive Belt and Pulley Water Pump 10 mm Socket/Wrench Drain Coolant and Remove Drive Belt Thermostat 10 mm, 18 mm and 19 mm Socket/Wrench Drain Coolant, Remove Drive Belt, Loosen Alternator Link, Remove Alternator Mounting Cap screw, Remove Thermostat Housing