PTV 35/44/55/66 Installation Manual
Rev. 1.1
53
12.6
Hydraulic Pump/Motor Overview
Resevoir
Ground (-)
Terminal
Positive (+)
Terminal
Solenoid
Oil Filler
Cap
Oil Level
Decal
S5
S3
S4
S1
S2
Secondary Pump& Motor
(If Applicable)
Primary Pump & Motor
Drain
Bottom View
Primary Pump & Motor
Hydrualic
Pump
Solenoid
Electric
Motor
Ground (-)
Terminal
Positive (+)
Terminal
Hydrualic
Pump
Electric
Motor
12.7
Hydraulic Fluid
All PTV liftgates come with Hydrex MV Arctic 15 hydraulic fluid.
Hydraulic Fluid Installed from Factory
Property
HYDREX MV ARCTIC 15
Start Up Temperature
<50°C / -58°F
Operating Temperature
-45°C to +23°C / -49°F to 73°F
Pour Point
-57°C / -71°F
Flash Point
128°C / 262°F
Density 15°C (59
°F). kg/L
0.834
Viscosity:
cSt @ 40°C/SUV @ 100°F
cSt @ 100°C/SUV @ 210°F
cP @ -50°C (-58°F)
13.0 / 69.7
4.95 / 42.5
1,310
When changing fluids, it is highly recommended to use Hydrex MV Arctic 15 fluid, however, alternatives fluid
brands listed below may also be used.
Alternative Fluids
Temperature Range
Fluid Brand
30° TO 150°F
EXXON UNIVIS J26
MOBIL DTE 13M
CHEVRON AW MV32
ROSEMEAD MV 150 (32)
-50° TO 150°
MOBILE DTE 11
SHELL AERO FLUID 4/41
SHELL TELLUS 15
Extreme Cold Temperature
MIL H5606 (Military Spec.)