Hydraulic System - Blizzard POWER PLOW 8100PP Owner's Manual

HYDRAULIC SYSTEM

The hydraulic unit's valve manifold includes relief
valves to prevent damage to the blade or vehicle
if either end of the blade hits an obstacle. The
valves are preset at the factory and do not need any
adjustments unless the valve manifold is serviced.
When force against the blade causes the pressure
in an extended ram to exceed the set limits, the relief
valve opens, allowing fl uid to escape, and the ram
retracts.
For hydraulic fl uid type and fi lling instructions, see
Hydraulic System, Annual Fluid Change, in the
Maintenance Section of this manual.
Drop Speed Adjustment
Lift Ram, Base End
DS Wing Ram,
Base End
DS Wing Ram,
Rod End
Solenoid Valve
Valve Model
Harness "C" Coil
Harness "B" Coil
S10
Lit. No. 40691, Rev. 05
OPERATING YOUR SNOWPLOW
Hose Ports
(CW = Slower)
Lift Ram, Rod End
DS Angle Ram
PS Angle Ram
S1 S2
SVCV08-20 SV08-22 SV08-30
S1 S2
S1 S2 S4
Pressure Test Port
SAE -4 ORB
Some
components
not shown.
S6
S5
S9
Breather
Reservoir
Drain
Plug
Plow Function
Raise or Hitch
Lower/Float
Unhitch
Angle Right
Angle Left
PS Wing Extend
PS Wing Retract
DS Wing Extend
DS Wing Retract
BUCKET BLADE™ PS & DS Wing, Base End
Some
Compact
components
not shown.
Torque Specifications
All Solenoid/Check Valves:
All Solenoid Coil Nuts:
Motor Relay Terminals:
PS Wing Ram,
Base End
Motor Terminals:
PS Wing Ram,
Rod End
S4 S5 S6 S7
SV08-45 SV08-41 SV08-30
S4 S5 S6 S7
S7 S8
23
Active Port
Lift Ram, Base End
Lift Ram, Base End
Lift Ram, Rod End
DS Angle Ram
PS Angle Ram
PS Wing, Base End
PS Wing, Rod End
DS Wing, Base End
DS Wing, Rod End
PS & DS Wing, Rod End
19–21 ft-lb
48–60 in-lb
Small 10–15 in-lb
Large 25–35 in-lb
50–60 in-lb
48470
S8 S9 S10
SV08-30 SV08-30 SV08-30
S8 S9 S10
Plow Function Active Coil
Raise or Hitch S1
Lower/Float S2
Unhitch S2 & S4
Angle Right S5
Angle Left S6
PS Wing Extend S10
PS Wing Retract S9
DS Wing Extend S8
DS Wing Retract S7
BUCKET BLADE™ S8 & S10
Compact S7 & S9
48420
Motor
Blade Drop
Speed
Adjustment
Valve
Manifold
May 1, 2021