Manitowoc Grove RT765E-2 Service And Maintenance Manual page 246

POWER TRAIN
retarding or restricting the circulation of coolant during
engine warm up. Engine overheating and loss of coolant is
sometimes due to an inoperative thermostat. To check for
t h i s c o n d i t i o n , r e m o v e t h e t h e r m o s ta t a n d t e s t b y
submerging it in hot water and noting the temperature at
which the thermostat opens and closes. Use an accurate
high temperature thermometer for making this test.
7-20
Hoses and Clamps
Hoses and their connections must be checked regularly
because they are often the source of hidden trouble. Hoses
may often times appear in good condition on the outside
while the inside will be partially deteriorated. If there are any
doubts about a hose doing its job, replacement should be
made. The clamps should be inspected to make sure they
are strong enough to hold a tight connection.
Published 9-04-2014, Control # 422-08
RT765E-2 SERVICE MANUAL