4-9. LUBRICATION INSTRUCTIONS (Continued).
i. Chassis Lubrication (Continued).
(18) Cooling System.
Do not remove radiator cap when
system is hot, as this can result in
injury to personnel.
operation by looking at coolant
recovery tank. Level should be at
the "COLD LEVEL" mark. If coolant
level is below the mark, add a 50/50
mixture of good quality ethylene
glycol antifreeze and water to