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HWH ACTIVE AIR Operator's Manual

Suspension, hydraulic leveling - addendum, color lcd control module, bi-axis hydraulic leveling, straight-acting jacks
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OPERATOR'S MANUAL
HWH ACTIVE AIR SUSPENSION
R
HWH HYDRAULIC LEVELING - ADDENDUM
R
HOME
LIGHT
Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408
H H
W
CORPORATION
FEATURING:
Color LCD Control Module
BI-AXIS Hydraulic Leveling
R
Straight-Acting Jacks
STORE
TAG
AUTO
HYD
AUTO
AIR
STATUS
PAGE 2
WARNING!
HWH CORPORATION
(On I-80, Exit 267 South)
2096 Moscow Road | Moscow, Iowa 52760
www.hwh.com
R
STOP
SUSPENSION
MAN
HYD
MAN
AIR
PRESSURE
RESET
ML55596/MP04.5083
27JUL15

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Summary of Contents for HWH ACTIVE AIR

  • Page 1 CORPORATION OPERATOR’S MANUAL HWH ACTIVE AIR SUSPENSION HWH HYDRAULIC LEVELING - ADDENDUM FEATURING: Color LCD Control Module BI-AXIS Hydraulic Leveling Straight-Acting Jacks HOME STOP STORE SUSPENSION AUTO AUTO STATUS PAGE 2 PRESSURE WARNING! LIGHT RESET HWH CORPORATION (On I-80, Exit 267 South)
  • Page 2 IMPORTANT: IF COACH IS EQUIPPED WITH A ROOM EXTENSION, READ ROOM EXTENSION SECTION BEFORE OPERATING LEVELING SYSTEM. HWH maintains technical and information services at 800-321-3494 or 563-724-3396. Assistance is available Monday thru Friday from 8:00A.M until 5:00P.M. C.S.T. Technical and information service is also available on-line at www.hwh.com. MP14.0014 08APR10...

  • Page 3: Control Identification

    "ON". will return the control panel to HOME PAGE 1. Pushing the Active Air logo located in the center of the LCD will also return BUZZER: This is a jacks down warning. the control panel to HOME PAGE 1.
  • Page 4 CONTROL IDENTIFICATION SCREEN BUTTONS: "PAGE FORWARD / BACK" BUTTONS: Use these buttons to switch from status screen to status screen. STATUS PAGE 4 PAGE 4 STATUS DESIGNATIONS NOTE: This "STATUS PAGE" is specific to HWH hydraulic leveling systems ONLY HOME STOP "LF JACK WARNING SWITCH"...

  • Page 5: Cold Weather Operations

    For cold weather information see "COLD WEATHER OPERATIONS" below. The HWH systems with a computer processor monitor the pump run time and will turn the pump off if the run time exceeds a specified time. This time can vary with different systems. Due to available electronics or system design, the pump run time programs will also vary.

  • Page 6: Operating Procedures

    "HOME", "STOP" or the "CANCEL" button on the may not be extended. Retract the jacks and move the vehicle HWH LCD panel will stop the automatic leveling function. When a jack extends approximately 1 inch, it’s individual red jack down light on the LCD panel will come on. If the 5.
  • Page 7 / or small valves. 3. Retract the front jacks by slowly opening the two center valves. NOTE: If the Active Air system has been installed on a coach with an existing HWH hydraulic leveling system, 4. Repeat the process for the rear jacks by opening the two outer valves.
  • Page 8 OPERATING PROCEDURES HOME STOP RAISE LOWER LEVEL RAISE RAISE SENSING LEVEL LIGHT (4) LOWER LOWER JACK DOWN RAISE DUMP LOWER LIGHT (4) WARNING! LIGHT RESET MANUAL HYDRAULIC LEVELING WARNING: KEEP PEOPLE AND OBJECTS When a jack extends approximately 1 inch, it’s individual CLEAR OF THE VEHICLE WHILE OPERATING THE red jack down light on the LCD panel will come on.

  • Page 9: Maintenance

    ROOM EXTENSIONS The HWH room mechanisms need no maintenance. Any visible mechanism can be kept clean by washing DO NOT grease or lubricate any parts of the HWH with water. Refer to the vehicle manufacturer for mechanism. correct maintenance of the room seals.
  • Page 10 To help reduce the corrosion of jacks after exposure to anti- continue to absorb moisture from the air even after they icing / deicing agents, thoroughly wash jacks with warm have dried. This can facilitate corrosion of metallic soapy water. components, such as HWH jacks. MP44.0502 22NOV16...
  • Page 11 CANNOT ROLL FORWARD OR BACKWARD. qualified RV repair center, your vehicle or coach manufacturer, or HWH CORPORATION Apply the brake so the coach cannot roll. Turn the ignition key for service or repair.
  • Page 12 HYDRAULIC LINE CONNECTION DIAGRAM ACTIVE AIR SUSPENSION WITH HYDRAULIC LEVELING SYSTEM (WITH 4 STRAIGHT-ACTING JACKS) MANIFOLDS MAY HAVE FOUR (4) LARGE VALVES OR FOUR (4) SMALL VALVES NOTE: BEFORE OPERATING MANUAL VALVE RELEASE, READ AND UNDERSTAND PROCEDURE FOR MANUAL JACK RETRACTION IN OPERATOR’S INSTRUCTIONS.
  • Page 13 HYDRAULIC SCHEMATIC DIAGRAM BI-AXIS LEVELING WITH STRAIGHT-ACTING JACKS ACTIVE AIR SUSPENSION WITH HYDRAULIC LEVELING SYSTEM RELIEF VALVE 3500 P.S.I. HYDRAULIC ROOM EXTENSION POWER UNIT MANIFOLD LOCATED HERE WHEN APPLICABLE RETURN PRESSURE LEVELING SYSTEM SOLENOID MANIFOLD ASSEMBLY 3000 PSI SWITCH 50 PSI...
  • Page 14 INFORMATION/INSTRUCTION SHEET HYDRAULIC SOLENOID VALVE INDENTIFICATION - MANUAL OPERATIONS - REPLACEMENT REPLACEMENT VALVES WILL HAVE A VALVE RELEASE CAM SOLENOID VALVES WITH CAM RELEASE BREATHER CAP W/NUT DRIVER 1 1/2" DIAMETER SOLENOID VALVE CAM RELEASE VALVE CLOSED Default position THE BREATHER CAP IS NOTE: The cam release may be LOCATED ON THE TOP rotated in any direction on the...