TM 5-3810-307-24-1-2
Engine Coolant Connections Hydraulic Reservoir. (Refer To Figures J-8 and J-16.) Route and
connect the Coolant Out to hydraulic reservoir connections as follows:
a.
Cut a section of new 0.75" coolant hose - P/N A-4860 and insulation tubing to a length of
2-2.5' and slide insulation tubing over new coolant hose.
b.
Connect one end of the new coolant hose (4, Figure J-8) to the COOLANT IN fitting on
the front heater element (1) in the hydraulic reservoir and secure with hose clamp - P/N
A-279 (6).
c.
Connect the other end of the new coolant hose (4, Figure J-8) to the COOLANT OUT
fitting on the rear heater element (1) in the hydraulic reservoir and secure with hose
clamp - P/N A-279 (6).
d.
Locate the "return to engine" and "Coolant Out to hydraulic reservoir" coolant hoses
tagged and hanging freely at the hydraulic reservoir location.
e.
Route the "return to engine" coolant hose (4) to the COOLANT OUT fitting on the front
heater element (1) and cut coolant hose and insulation tubing to appropriate length.
f.
Connect the "return to engine" coolant hose (4) to the COOLANT OUT fitting on the front
heater element (1) and secure with hose clamp - P/N A-279 (6).
g.
Route the "Coolant Out to hydraulic reservoir" coolant hose (4) to the COOLANT IN
fitting on the rear heater element (1) and cut coolant hose and insulation tubing to
appropriate length.
h.
Connect the "Coolant Out to hydraulic reservoir" coolant hose (4) to the COOLANT IN
fitting on the rear heater element (1) and secure with hose clamp - P/N A-279 (6).
Final Checks/Pre-Initial Start Procedures
a.
Check all fuel, engine coolant, hydraulic, and electrical connections.
b.
Ensure hydraulic reservoir has been refilled and bled in accordance with the Technical
Manual, TM 5-3810-307-24-1-1.
c.
Refill the engine coolant system in accordance with the Technical Manual, TM 5-3810-
307-24-1-1.
d.
Bleed air from the engine coolant system by running the diesel engine and refill as
needed.
NOTE
A lack of engine coolant, restriction, or poorly bled coolant system will
result in overheating and a possible "overheat shutdown" of the coolant
heater.
e.
Replace the grill on the rear cowl of the diesel engine hood in accordance with the
Technical Manual, TM-5-3810-307-24-1-1.
J-36 Change-1
