Paccar BRADEN HP125B, Инструкция по установке, обслуживанию и ремонту

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10
TYPICAL HYDRAULIC CIRCUITS
NOTE: The hydraulic circuits shown below are representative of typical HP125B winches with single and two-speed
hydraulic motors and brake valves. Options and accessory equipment may result in changes to the circuits defi ned.
If there are any questions regarding the hydraulic circuit, refer to the information supplied by the original equipment
manufacturer, or contact the PACCAR Winch Division Product Support Department, as previously defi ned. (ALWAYS
have the winch model and serial number available when contacting PACCAR Winch Division.)
2-Speed Hyd. Motor Sub-Assy Control Circuit
(”A” Port Toward Flange)
ITEM 7
WINCH
BRAKE LOWER
ITEM 13
CASE DRAIN
(CUSTOMER)
HOIST
BRAKE
VALVE
CHECK
VALVE
12V DC
SOLENOID
2-SP HYD MOTOR
2 - SPEED
SELECTOR
VALVE
P T
T A
G
P2
P1
BR
B A
Two Speed
30 85 86 87 87A
Electric Shift Circuit
Hella 87499 Relay
(or equivalent -
12 Volt DC,
40 Amp, SPDT)
+12 VDC Power
Normally Open SPST Switch*
(Engaging Switch Shifts Motor
to High Speed)
Motor
Solenoid
* DO NOT use a
momentary contact
switch. This type of
switch will return to the
open position when
released, shifting the
motor back to low speed.
1
2
3
1. Ground
2. Empty
3. Apply 12V DC power to shift
motor to High Speed
NOTE:
Terminals 1 and 3
may be reversed.
X
BRAKE
BR
DR
CONTROL
PUMP
WINCH ASSEMBLY
W/BRAKE VALVE
& STATIC BRAKE
WINCH
WINCH CONTROL CIRCUIT
EXTERNAL CASE DRAIN REQ’D
BRAKE
VALVE
VALVE
Single Speed