80-3
®
PROHEAT SYSTEM
(continued...)
NOTICE
2 AUXILIARY HEATER SHUT-OFF VALVES
The heater valves are located behind the cab next to the LH swing drive and above the hydraulic
pumps accessed from the gull wing.
There are also valves in these same areas on the engine for the cab heat. The
operator should be aware to avoid any confusion between the valves.
The
Proheat valves are ball valves and the cab heat valves are gate valves.
2.1 Front (Fig-2) and Rear (Fig-3) Shut-Off Valve locations.
See the photos below for the locations of the Proheat Shut-Off Valves.
Valves are shown OPEN.
2.2 Cold and Warm Weather Valve Positions
The shut-off valves on the engine control the flow of hot engine coolant that is being circulated and heated
by the Pro-Heat heater through heating tubes that are internal in the hydraulic tank.
Ÿ
In the cold winter months it is advised to leave the heater function valves in the open
position.
This will allow the heater (when turned on) to heat the coolant resulting in the engine and
hydraulic oil be heated.
Ÿ
In the warm summer months the heater will not be used, so the heater valves should be
turned to the closed position.
This will cause the coolant to bypass the heater circuit and return
through the normal engine coolant circuit.
Fig-2
FRONT VALVE
REAR VALVE
Fig-3
REAR PRO-HEAT
SHUT-OFF VALVE
FRONT SHUT-OFF VALVE LOCATION:
Ÿ
open Gullwing Door
(see Ch-60 SHROUD)
Ÿ
shut-off valve located beyond main hydraulic
hosing plumbed to top of engine
REAR SHUT-OFF VALVE LOCATION:
Ÿ
slide cab forward
(see Ch-40 CAB)
Ÿ
remove access cover to engine
compartment (9/16” bolt heads)
Ÿ
shut-off valve located next to swing drive
assembly
FRONT PRO-HEAT
SHUT-OFF VALVE
06/03/2019
Updated
OPERATOR’S
Содержание HARVESTER 240B
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