TK 55676-19-IM-EN
73
N
No
otte
e:: The system will be bled of air later by following the “A/C System Charging and APU Engine Start-up
Procedures”.
a. Add coolant removed earlier back into the tractor’s radiator.
b. D
DO
O N
NO
OT
T start the tractor’s engine at this time.
6. Install supplied coolant nameplate in a visible area near the tractor’s coolant fill cap.
Figure 41.
APU Coolant Hoses Attached Directly To Fittings On Tractor’s Engine Shown
TRACTOR
ENGINE
OUTLET
OUTLET
INLET
TRUCK HEATER
CORE
INLET
ABA716-1
NOTICE
This truck is equipped with auxiliary pow
er
unit. Coolant system must be bled after
main engine coolant system servicing.
6
COOLANT
HOSE
APU HOSE