install these hose clamps correctly. The correct
installation torque is as follows:
For Breeze Constant-Torque clamps with a 5/16-
inch tightening screw hex: 55 lbf·in (620 N·cm).
For Breeze Constant-Torque clamps with a 3/8-
inch tightening screw hex: 90 lbf·in (1020 N·cm).
NOTE: All hose clamps will lose torque after
installation due to "compression set." However,
when correctly installed, Breeze Constant-
Torque clamps will hold enough torque to auto-
matically adjust and keep consistent sealing
pressure. During vehicle operation and shut-
down, the screw tip may adjust according to
temperature and pressure changes. The torque
may need to be adjusted for individual applica-
tions.
9. Place a pan under the coolant filter to catch en-
gine coolant.
10. Remove the coolant filter with a strap or chain
wrench. Install a new coolant filter and tighten.
IMPORTANT: On vehicles with EPA07 compliant
engines, the coolant capacity varies depending
on the engine and accessory installation. After
servicing the cooling system, always verify that
the coolant level is between the MIN and MAX
lines on the surge tank.
11. Fill the cooling system with new coolant. Refer to
the engine manufacturer’s service literature for
specific coolant information.
12. On single radiator applications, add coolant as
follows.
12.1 Fill the cooling system at the surge tank.
12.2 Install the surge tank cap.
12.3 Return the hood or cab to the operating
position. See Group 60 of the Century
Class Trucks Workshop Manual for cab
tilt instructions.
12.4 Start the engine and turn on the cab
heater. Allow the engine to warm up to
normal operating temperature. Check the
f011008
1
06/29/95
1
NOTE: Cummins M11 engine shown.
1. Coolant Drain Plug
Fig. 4, Coolant Drain Plug Location
f20032610/05/2016
Fig. 5, T-Bolt Type Hose Clamp
f20028610/05/2016
A
B
1
A. The screw tip must extend about 1/4 inch (6 mm).
B. Belleville washer stacks must be collapsed almost
flat.
1. Tightening Screw Hex
Fig. 6, Breeze Constant-Torque Hose Clamp Installation
Engine Cooling/Radiator20
Century Class Trucks Maintenance Manual, January 201620/4
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