www.changlin.com.cn Assemble the intake piping and connect the cold starting aid if used. Vent the high pressure fuel lines. Aftercooler and Gasket Replacement Preparatory Steps: Dis connect the cold starting aid, if used. Remove the air crossover tube. Drain 2 litres (2.1 U.S. Quarts) of coolant. Remove the high pressure fuel lines. 8 mm Remove the coolant supply tube (1) and the coolant return tube (2) (off highway engines). 10 mm Remove the aftercooler housing and gasket. Plug opening with clean shop rag to prevent foreign material from entering air intake. 120 / 149 pages