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Summary of Contents for Hiniker DB-5245-1
- Page 1 HINIKER V-PLOW DB-5245-1 STONE HYDRAULIC UNIT SERVICE MANUAL DO NOT USE OR OPERATE THIS EQUIPMENT UNTIL THIS MANUAL HAS BEEN READ AND THOROUGHLY UNDERSTOOD PART NUMBER 25012796...
- Page 3 Introduction POWER UNIT OPERATION TITLE solenoid valve. Hydraulic fluid under pressure is GENERAL then directed through the S2 solenoid valve to the right wing cylinder. Hydraulic fluid, not under The hydraulic power unit consists of a 12 VDC motor, a hydraulic pump rated at 1.9 GPM @ pressure, is directed from the left wing cylinder through the S4 solenoid valve back to the reser- 1600 PSI, and a valve body containing six nor-...
- Page 4 Power Unit - Hydraulic POWER UNIT - SPX MODEL DB-5245-1 25012648 Power Unit - SPX Model DB-5245-1 DWG. NO. 6526A REF. PART REF. PART DESCRIPTION QTY. DESCRIPTION QTY. NUMBER NUMBER 25010734 Pump Assembly 25010738 Plastic Tank 950-001-327 Hex Head Cap Screw 5/16-24 x 3 Gr. 8...
- Page 5 Power Unit Hydraulic Circuit Diagram DWG NO. 6459...
- Page 6 Introduction V-Plow Power Unit DWG NO. 6457A...
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Page 7: Table Of Contents
Table of Contents 1 TABLE OF CONTENTS TITLE 25012796 3/10 Manual/25012796 Troubleshooting Procedures ....................... 2 V-Plow Will Not Raise ........................3 V-Plow Lifts Slowly ........................4 V-Plow Will Not Stay Up ......................5 V-Plow Will Not Lower ......................... 6 Left Wing Will Not Extend ......................7 Right Wing Will Not Extend ...................... -
Page 8: Troubleshooting Procedures
Check all hoses and cylinders for proper condition and leaks. This section is designed to help you troubleshoot the hydraulic system on the Hiniker V-Plow. Make sure battery is charged and charging system is in good condition. Each procedure consists of a detailed problem... -
Page 9: V-Plow Will Not Raise
RAISE switch on the joystick con- trol box to ensure that the FLOAT mode is OFF. Check S6 Solenoid Valve for magne- Call Hiniker Service Does V-Plow Raise? tism by loosely holding metal end of screw- driver within 1/8” of the nut end of the S6 Solenoid Valve Coil. -
Page 10: V-Plow Lifts Slowly
Remove, lift cylinder and drain oil. Check for a binding cylinder by manu- ally compressing and extending the cylin- der. Repair or replace as necessary. Does V-Plow lift fully up in approximately 2 sec- onds? DWG NO. 3066 Call Hiniker Service... -
Page 11: V-Plow Will Not Stay Up
S6 Solenoid Valve, using a voltmeter or test light. Is voltage present? Refer to electrical troubleshooting. Does V-Plow stay up? Remove, inspect and clean S6 Solenoid Valve. See page 18-19. Repair or replace as necessary. Does V-Plow stay up? Call Hiniker Service... -
Page 12: V-Plow Will Not Lower
Support plow blade (same as the left paragraph). Check for plugged fittings and hydraulic hose. Remove and drain oil from lift cylinder. Check for frozen/binding cylinder by manually compressing and extending the cylinder. Repair or replace as necessary. Does V-Plow lower? Call Hiniker Service... -
Page 13: Left Wing Will Not Extend
3 (RV3). Repair or replace as neces- sary. See page 16. Reinstall and adjust. See page 29. Call Hiniker Service Does Left Wing Extend? Remove, inspect and clean S3 - S4 Spool Valve. Repair or replace as necessary. See page 20. -
Page 14: Right Wing Will Not Extend
2 (RV2). Repair or replace as neces- sary. See page 16. Reinstall and adjust. See page 29. Call Hiniker Service Does Right Wing Extend? Remove, inspect and clean S1 - S2 Spool Valve. Repair or replace as necessary. See page 20. -
Page 15: Left Wing Will Not Stay Extended
Remove, inspect and clean Relief Valve 3 (RV3). See page Repair or replace as necessary. DOES LEFT WING STAY EXTENDED? Remove, inspect and clean S3 - S4 Spool Valve. See page 20. Repair or replace as necessary. Does Left Wing Stay Extended? Call Hiniker Service... -
Page 16: Right Wing Will Not Stay Extended
Remove, inspect and clean Relief Valve 2 (RV2). See page 16. Repair or replace as necessary. DOES RIGHT WING STAY EXTENDED? Remove, inspect and clean S1 - S2 Spool Valve. See page 20. Repair or replace as necessary. Does Right Wing Stay Extended? Call Hiniker Service... -
Page 17: Left Wing Will Not Retract
Check left wing cylinder hose and fit- tings for obstructions. Remove left wing cylinder from plow and drain oil. Check for frozen/binding cylinder by manually compressing and extending the cylinder. Repair or replace as necessary. Does Left Wing Retract? Call Hiniker Service... -
Page 18: Right Wing Will Not Retract
Check left wing cylinder hose and fit- tings for obstructions. Remove left wing cylinder from plow and drain oil. Check for frozen/binding cylinder by manually compressing and extending the cylinder. Repair or replace as necessary. Does Right Wing Retract? Call Hiniker Service... -
Page 19: Dc Motor Removal And Replacement
DC Motor Removal and Replacement 13 DC MOTOR REMOVAL AND REPLACEMENT TITLE WARNING: Disconnect Vehicle Bat- NOTE: Use care when removing the motor from tery prior to performing this procedure the endhead, the motor can separate into three to avoid electrical shock or burns. pieces and will require additional time to reas- semble. -
Page 20: Dc Motor Brush Replacement
14 DC Motor Brush Removal and Replacement DC MOTOR BRUSH REPLACEMENT TITLE WARNING: Disconnect Vehicle Battery NOTE: If your motor is equipped with two (2) prior to performing this procedure to brushes with bare wires (Ground brushes) and avoid electrical shock or burns. two (2) brushes with insulated wires (POS brush- es), make sure that you note location of the two types and replace them with like type brushes.
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