HWH® SYSTEM IDENTIFICATION GUIDE LEVELING, STABILIZING & LANDING GEAR SYSTEMS (Filename:
ML17785_01_NOM_PR_LESY.doc
| Revised: 08OCT15) |
To
find HWH® Replacement Parts, Operator Manuals, and Service Manuals it
is often necessary to know what system
you have. . This
document will help identify which system
you have, with the aid of pictures and descriptions of key components such
as control panels, indicator light panels, control boxes, control modules,
and sensing units. otherwise,
please click on the general category below. 1XX Series
| Lever-Controlled (Hydraulic) (1967 - Present) 2XX Series
| Joystick-Controlled (Hydraulic) (19XX - Present) 3XX Series
| Touch Panel-Controlled (Air or Hydraulic) (1995 -
2004) 4XX Series
| Paddle Switch-Controlled (Hydraulic) (1985 - 1992) 5XX Series
| Computer-Controlled
(Touch Panel) (Air,
Hydraulic, Air/Hydraulic) (1988 - 1993) 6XX Series
| Computer-Controlled (Touch
Panel) (Air,
Hydraulic, Air/Hydraulic) (1988 - 2006) 7XX Series
| Computer-Controlled (Touch
Panel) (Air
or Hydraulic) (YYYY - Present) 2000 Series |
Computer-Controlled (Touch Panel) (Air, Hydraulic,
Air/Hydraulic) (YYYY - Present) Precision
Leveling | Computer-Controlled (Touch Panel) (Hydraulic) (YYYY - Present) Active
Air Suspension Leveling
| Computer-Controlled (LCD
Panel) (Air
or Air/Hydraulic) (YYYY - Present) Hand-Pump
Leveling / Landing Gear (Hydraulic) (YYYY - Present) |
100 SERIES |
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PRODUCED: YYYY - YYYY HWH® 100 Series,
Lever-Controlled Hydraulic Leveling System |
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PRODUCED: YYYY - YYYY HWH® 100 Series,
Lever-Controlled Hydraulic Leveling System |
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CONTROL PANEL |
INDICATOR LIGHT PANEL |
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• 100 Series uses
separate indicator light panel >>> •
Single-slot in the control unit bezel plate for each lever. •
Single lever control for each jack. |
Without HWH® Suspension Air Dump |
With HWH® Suspension Air Dump |
With Toggle Switch (OBSOLETE) |
|
With Rocker Switch |
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• Indicator lights
are on a plate mounted SEPARATE from the control unit. |
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•
Used with straight-acting or kick-down jacks. |
110 SERIES |
|
PRODUCED: YYYY - YYYY HWH® 110 Series,
Lever-Controlled Hydraulic Leveling System (With or Without HWH® Suspension Air Dump) |
|
PRODUCED: YYYY - YYYY HWH® 110 Series,
Lever-Controlled Hydraulic Leveling System (With or Without HWH® Suspension Air Dump) |
|
PRODUCED: YYYY - YYYY HWH® 110 Series,
Lever-Controlled Hydraulic Front Jack Equalization System |
|
CONTROL PANEL |
|
|
|
Without HWH® Suspension Air Dump |
With HWH® Suspension Air Dump |
•
Single lever control for each jack. •
Single slot in the control unit bezel plate for each lever. •
Special control unit & light plate for fifth wheels and travel
trailers. •
Used with kick-down or straight-acting jacks. • Indicator lights
are integrated into the slotted bezel plate covering the control unit. |
200
SERIES |
||
PRODUCED: YYYY - YYYY HWH® 200 Series,
Joystick-Controlled Hydraulic Leveling System (With or Without HWH®
Suspension Air Dump) |
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CONTROL PANEL |
INDICATOR LIGHT PANEL |
|
|
|
|
• 200 Series uses
separate indicator light panel >>> •
Single joystick control for all four jacks. •
One front store lever and
one rear store lever. •
Control unit bezel plate has a cross slot. |
Without HWH® Suspension Air Dump |
With HWH® Suspension Air Dump |
• Indicator lights
are on a plate mounted SEPARATE from the control unit. |
||
•
Used with kick-down or straight-acting jacks. |
210/225
SERIES |
|
PRODUCED: YYYY - YYYY HWH® 210 Series, Joystick-Controlled Hydraulic Leveling System (with BI-AXIS® Control and Integrated Indicator Light Panel) (With or Without HWH® Suspension Air Dump) |
|
PRODUCED: YYYY - YYYY HWH® 225 Series, Joystick-Controlled Hydraulic Leveling System (With or Without HWH® Suspension
Air Dump) (With or Without Control Console) |
|
CONTROL PANEL |
• Single joystick control for all four jacks. • One front
store lever and one rear store
lever. • Control unit bezel plate has a cross slot. • Indicator lights are integrated into control unit bezel
plate. • 210 Series has mercury level sensor. • 225 Series has electronic level sensor. • Used with kick-down or straight-acting
jacks. |
|
300
SERIES |
PRODUCED: YYYY - YYYY HWH® 300 Series, Touch
Panel-Controlled Air Leveling System |
305
SERIES |
PRODUCED: YYYY - YYYY HWH® 305 Series, Touch
Panel-Controlled Hydraulic Leveling System |
310
SERIES - ROCKER-SWITCH |
PRODUCED: YYYY - YYYY HWH® 310 Series, Rocker
Switch-Controlled Hydraulic Leveling System (Designed for Safari®
Motorhomes Only) (Motorized) |
310
SERIES - TOUCH PANEL |
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PRODUCED 1995 - 2003 HWH® 310 Series, Touch
Panel-Controlled Hydraulic Leveling System (Designed for Motorized
& Non-Motorized Vehicles) |
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PRODUCED: YYYY - YYYY HWH® 310 Series, Touch
Panel-Controlled Hydraulic Leveling System (With Hand-Held Pendant Type Controller) (Designed for
Non-Motorized Vehicles)
(Straight-Acting Jacks Only) |
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CONTROL PANEL |
CONTROL BOX |
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|
•
Without HWH® Suspension Air Dump |
•
With HWH® Suspension Pilot Air Dump |
•
Control Box is 2-3/4” x 4-1/4” x 7-1/2” |
•
Touch Panel •
Heading: “HWH HYDRAULIC
LEVELING” •
Touch panel with a rabbit at the bottom is for vehicles with "Pilot
Air Dump". •
Jacks will retract automatically with "STORE" button. •
Used with kick-down or straight-acting jacks. (Pendant SA jacks only.) |
325
SERIES |
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PRODUCED: 2003 -
PRESENT HWH® 325 Series, Touch
Panel-Controlled Hydraulic Leveling System (Long PC Board Series) |
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PRODUCED: 2003 - 2004 HWH® 325 Series, Touch
Panel-Controlled Hydraulic Leveling System (Short PC Board Series) |
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PRODUCED: YYYY - YYYY HWH® 325 Series, Touch
Panel-Controlled Hydraulic Leveling System (with Hand-Held Pendant Type Controller) (Designed for
Non-Motorized Vehicles) |
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"SHORT" PC BOARD SERIES | PRODUCED: 2003 - 2004 |
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CONTROL PANEL |
CONTROL BOX |
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FRONT |
BACK |
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•
Touch Panel •
Heading: "HWH HYDRAULIC
LEVELING" •
With or Without HWH® Suspension Air Dump •
Touch panel does NOT have ”NOT IN PARK/BRAKE” indicator light. |
•
Touch panel has four connectors on back. •
Touch panel has one three-amp fuse on the back. |
•
Short
PC Board •
Control box has an 8.5" x 11" clear plastic cover. • Electronic (rectangular) level sensor is
mounted inside control box. |
|
"LONG" PC BOARD SERIES | PRODUCED: 2003 -
Present |
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CONTROL PANEL |
CONTROL BOX |
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FRONT |
BACK |
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With HWH® Suspension Air Dump |
Without HWH® Suspension Air Dump |
•
Touch panel has one five-pin connector on back. |
•
Long
PC Board • Electronic level sensor is mounted inside
control box. •
Control box has an 8.5" x 11" clear plastic cover. |
•
Touch Panel •
Heading: "HWH HYDRAULIC
LEVELING" •
"NOT IN PARK/BRAKE" indicator light. |
400 SERIES |
|
PRODUCED: 1985 - 1992 HWH® 400 Series,
Computer-Controlled Hydraulic Leveling System |
|
CONTROL PANELS |
|
|
|
NON BI-AXIS® (Standard) |
BI-AXIS® (A few manufactured for Holiday
Rambler®) |
•
Control panel equipped with paddle switches. •
Air suspension dump optional. •
Some control panels may be labeled "A&E". •
Hydraulic pump and manifold separate. •
Used with kick-down or straight-acting jacks. •
400 Series control panel looks like no other HWH® system control panel. •
Available in BI-AXIS® or NON BI-AXIS® |
500 SERIES |
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PRODUCED: 1988 - 1993 HWH® 500 Series,
Computer-Controlled Air Leveling System |
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PRODUCED: YYYY - YYYY HWH® 500 Series,
Computer-Controlled, Air Leveling System |
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PRODUCED: YYYY - YYYY HWH® 500 Series,
Computer-Controlled Air/Hydraulic Leveling System |
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PRODUCED: YYYY - YYYY HWH® 500 Series,
Computer-Controlled Hydraulic Leveling System |
||
CONTROL PANEL |
CONTROL BOX |
|
FRONT |
BACK |
|
|
|
|
•
Touch Panel •
Heading: “HWH COMPUTERIZED
LEVELING”. |
•
Touch panel has a forty-pin connector on back. |
• Glass or blade style fuses may be found in
a 500 Series control box. • Control box is 3-1/2” x 9” x 14-1/2”. |
•
Used for Air Leveling or combination Air/Hydraulic Leveling. •
Connecting cable between the control box and touch panel is a 2” wide,
flat, forty-pin ribbon cable. |
510 SERIES (510M SERIES -
AP8073) |
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PRODUCED: 1990-1/2 - 1993 HWH® 510 Series,
Computer-Controlled Hydraulic Leveling System |
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CONTROL PANEL |
CONTROL BOX |
|
FRONT |
BACK |
|
|
|
|
•
Touch Panel •
Heading: “HWH COMPUTERIZED
LEVELING” |
Touch panel has either a forty-pin connector on back (OR) an eight-wire connector on
back. |
Control box is 2-3/4” x 4-1/4” x
6-1/2” |
•
Connecting cable between the control box and touch panel was a 2” wide, flat, 40 pin ribbon cable
(early models) or a 3/8” wide, flat, eight-wire ribbon cable. •
The hydraulic pump and manifold are separate units connected with a
high pressure hose and return line. |
600
SERIES |
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PRODUCED: 1988-1993 HWH® 600 Series,
Computer-Controlled Air Leveling System |
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PRODUCED: YYYY - YYYY HWH® 600 Series,
Computer-Controlled Air/Hydraulic Leveling System |
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PRODUCED: YYYY - YYYY HWH® 600 Series,
Computer-Controlled Hydraulic Leveling System |
||
CONTROL PANEL |
CONTROL BOX |
|
FRONT |
BACK |
|
|
|
|
•
Touch Panel •
Heading: “HWH COMPUTERIZED
LEVELING”. •
STORE function. •
Air dump optional. •
Air systems have DUMP & RAISE feature. |
Touch panel has an eight-wire
connector on back. |
•
Only blade style fuses will be found in a 600 Series control box. •
Control box is 3-1/2” x 9” x 14-1/2”. |
•
Connecting cable between the control box and the touch panel is 3/8”
wide, flat, eight-wire ribbon cable. •
Used for Air Leveling, Hydraulic Leveling, or combination
Air/Hydraulic leveling. |
610
SERIES |
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PRODUCED: 1992 - 1993 HWH® 610 Series,
Computer-Controlled Hydraulic Leveling System (NON-Central Ground) |
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PRODUCED: 1993 - 2003 HWH® 610 Series,
Computer-Controlled Hydraulic Leveling System (Central Ground) |
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610 SERIES - NON-CENTRAL GROUND PRODUCED: 1992-1993 |
||
CONTROL PANEL |
CONTROL BOX |
|
FRONT |
BACK |
|
|
|
|
•
Touch Panel •
Heading: “HWH COMPUTERIZED
LEVELING” •
STORE function. |
Touch panel has an eight-wire
connector on back. |
Control Box is 2-3/4” x 4-1/2” x
6-1/2”. |
•
Connecting cable between the control box and touch panel is a 3/8”
wide, flat, eight-wire ribbon cable. •
The warning switch harness at each jack has one plug only. It may be a one-wire or two-wire connector. •
The pump and manifold are one assembly. |
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610 SERIES - CENTRAL GROUND PRODUCED: 1993 - 2003 |
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CONTROL PANEL |
CONTROL BOX |
|
FRONT |
BACK |
|
|
|
|
•
Touch Panel •
Heading: “HWH COMPUTERIZED
LEVELING”. |
Touch panel has one eleven-pin
connector on back. |
• Control Box is 2-3/4” x 4-1/2” x 7-1/2”. • Central ground. |
• Connecting cable between the control box and
touch panel is an eleven-pin cable assembly. • The warning switch harness at each jack has
two plugs, one single-wire and one two-wire connector. • The pump and manifold are one assembly. |
625
& 625S SERIES |
||
PRODUCED: 2003 -
PRESENT HWH® 625 Series,
Computer-Controlled Hydraulic Leveling System (Programmable Sensing
Unit) |
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PRODUCED: 2006 HWH® 625S Series, Leveleze® Single-Step Computer-Controlled Hydraulic Leveling System (Programmable Sensing
Unit) |
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625 SERIES PRODUCED: 2003 -
PRESENT |
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CONTROL PANEL |
CONTROL BOX |
|
FRONT |
BACK |
|
|
|
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• Touch Panel • Heading:
“HWH COMPUTERIZED LEVELING” • Lower middle green indicator light is
labeled “TRAVEL MODE” not “TRAVEL”. |
Five-pin connector on back. |
• Control box has an 8” x 11" clear
plastic cover. • Control box is mounted to the pump tray. •
Electronic programmable level sensor is mounted inside
control box. |
• The jack warning switch plugs are grey. • Used for hydraulic leveling only. |
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625S (SINGLE STEP) SERIES PRODUCED: 2006 |
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CONTROL PANEL |
CONTROL BOX |
|
FRONT |
BACK |
|
|
|
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• Touch Panel • Heading:
“HWH COMPUTERIZED LEVELING” • Touch Panel has an outline around the manual
UP and DOWN arrows. • Lower middle green indicator light is
labeled “TRAVEL MODE” not “TRAVEL”. |
• Touch panel has a five-pin connector on
back. • Six-pin connector may not be present on back of touch panel. |
• Control box has an 8” x 11’ clear plastic
cover. • Control box is mounted to the pump tray. •
Electronic programmable level sensor is mounted inside
control box. |
• Jack warning switch plugs are grey. • Used for hydraulic leveling only. |
680
SERIES |
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PRODUCED: 1997 - 2002 HWH® 680 Series,
Computer-Controlled Hydraulic Leveling System |
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PRODUCED: YYYY - YYYY HWH® 680 Series,
Computer-Controlled Air Leveling
System |
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PRODUCED: YYYY - YYYY HWH® 680 Series,
Computer-Controlled Air/Hydraulic Leveling System |
||
CONTROL PANEL |
CONTROL BOX |
|
FRONT |
BACK |
|
|
|
|
•
Touch Panel •
Heading: “HWH COMPUTERIZED
LEVELING” |
Touch panel has an eight-wire
connector on back. |
•
Control box is 3-1/2” x 14-1/2” x 19”. •
Control box is 3-1/2” deep. |
•
Used for Air Leveling or combination Air/Hydraulic Leveling •
Connecting cable between the control box and touch panel is a 2/8”
wide, flat, eight-wire ribbon cable. |
700
SERIES |
||
PRODUCED: YYYY -
PRESENT HWH® 700S Series, Leveleze® Single-Step
Computer-Controlled Air Leveling System |
||
CONTROL PANEL |
SENSING UNIT & I/O CONTROL MODULE (NO CONTROL BOX) |
|
FRONT |
BACK |
|
|
|
Potted Electronic Sensing Unit (above) Potted Multiplexed Input Output Module ("MIOM")
(above) |
•
Touch Panel •
Heading: “HWH COMPUTERIZED
LEVELING” •
Lower middle green indicator light is labeled “TRAVEL MODE” not
“TRAVEL”. |
• Touch panel has a five-pin connector on
back. • Touch panel has a _____________ on back. |
•
MIOM located at each air manifold. •
MIOM replaces typical control box. •
Potted electronic (rectangular) sensing unit is remote-mounted with three screws
and three springs. |
•
Use for Air Leveling |
725
SERIES |
||
PRODUCED: YYYY -
PRESENT HWH® 725 Series,
Computer-Controlled Hydraulic Leveling System |
||
PRODUCED: YYYY - YYYY HWH® 725S Series, Leveleze® Single-Step
Computer-Controlled Hydraulic Leveling System |
||
PRODUCED: YYYY - YYYY HWH® 725S Series, Leveleze® Single-Step
Computer-Controlled Hydraulic Leveling and Landing Gear System |
||
CONTROL PANEL |
SENSING UNIT & I/O CONTROL MODULE (NO CONTROL BOX) |
|
FRONT |
BACK |
|
|
|
Potted Electronic Sensing Unit (above) Potted Multiplexed Input Output Module ("MIOM")
(above) |
•
Touch Panel •
Heading: “HWH COMPUTERIZED
LEVELING” •
Touch panel "manual" operations enclosed with white outline. •
Lower middle green indicator light is labeled “TRAVEL MODE” not
“TRAVEL”. |
•
Touch panel has a five-pin connector on back. •
Touch panel has a ________ on
back. |
• MIOM mounted on pump. • MIOM replaces typical control box. •
Potted electronic (rectangular) sensing unit is remote-mounted with three
screws and three springs. |
•
All 725 Series are
Single-Step, unless they have kick-down jacks. •
Can have Auxiliary Hand-Pump
Control. •
Use for Hydraulic leveling. |
2000
SERIES (PRODUCED: 2001 - PRESENT) |
||
PRODUCED: YYYY - YYYY HWH® 2000 Series,
Computer-Controlled Hydraulic Leveling and/or Landing Gear System |
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PRODUCED: YYYY - YYYY HWH® 2000 Series, Computer-Controlled
Hydraulic Leveling System |
||
PRODUCED: YYYY - YYYY HWH® 2000 Series,
Computer-Controlled Air Leveling System |
||
PRODUCED: YYYY - YYYY HWH® 2000 Series,
Computer-Controlled Air/Hydraulic Leveling System |
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PRODUCED: YYYY - YYYY HWH® 2000S Series, Leveleze® Single-Step Computer-Controlled Air Leveling System |
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PRODUCED: YYYY - YYYY HWH® 2000S Series, Leveleze® Single-Step Computer-Controlled Hydraulic Leveling System |
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PRODUCED: YYYY - YYYY HWH® 2000 Series,
Computer-Controlled Precision Hydraulic Leveling System |
||
PRODUCED: YYYY - YYYY HWH® 2000 Series,
Computer-Controlled Precision Hydraulic Leveling System |
||
CONTROL PANEL |
SENSING UNIT & CONTROL BOX |
|
FRONT |
BACK |
|
|
|
|
•
Touch Panel •
Heading: “HWH COMPUTERIZED
LEVELING” •
Lower Middle green indicator light is labeled “TRAVEL MODE” not
“TRAVEL”. |
Touch panel has a five-pin
connector on back. |
•
Control box has an 8” x 11” clear plastic cover. •
Control boxes are stacked. •
Electronic (rectangular) level sensor is mounted inside of control
box. |
•
Use for Air Leveling or combination Air/Hydraulic Leveling. |
2-POINT LANDING
GEAR |
PRODUCED: YYYY - YYYY HWH® 2-Point Landing
Gear System - Hand/Electric Pump (Toggle/Momentary Switch-Controlled)
or
(Rocker/Momentary Switch-Controlled) (Remote Operating Panel)
(Electric Motor / Solenoid
Pump) (Manual Hand Pump as Back-Up) |
4-POINT LEVELING
/ LANDING GEAR |
PRODUCED: YYYY - YYYY HWH® 4-Point Leveling / Landing
Gear System - Hand/Electric Pump (Computer-Controlled
Touch Panel Full Leveling) (Remote Operating
Panel) (Electric Motor / Solenoid
Pump) (Manual Hand Pump as Back-Up) |
4-POINT LEVELING
/ LANDING GEAR |
PRODUCED: YYYY - YYYY HWH® 4-Point Leveling / Landing
Gear System - Hand/Electric Pump (Hydraulic
Switch-Controlled Leveling) (Operation
at Pump) (Electric Motor Pump) (Manual
Hand Pump as Back Up) (Optional Leveleze® Indicator
Light Package) |
4-POINT LEVELING
/ LANDING GEAR |
PRODUCED: YYYY - YYYY HWH® 4-Point Leveling / Landing
Gear System - Hand/Electric Pump (Hydraulic Switch-Controlled
Leveling) (Operation at Pump) (Manual Hand Pump - No
Motor) (NO ELECTRIC POWER REQUIRED) |
EMERGENCY
JACK SYSTEM |
PRODUCED: YYYY - YYYY HWH® 4-Point Emergency
Jack System (Toggle Switch-Controlled) (Remote Pendant Operating Panel) (No Indicator or Warning
Lights) (Electric Motor
Pump) (Manual Hand Pump as Back Up) (Operator Manual# ML46130) PICTURE - GET FROM
MP35.9953 |
ACTIVE
AIR SUSPENSION |
||
HWH® Active Air Suspension & Computer-Controlled
Air
Leveling System (with BI-AXIS® Control )
(with Color LCD Control Module Panel) or (with Monochrome LCD Control Module
Panel) (Hydraulic Leveling Optional) |
||
CONTROL PANELS |
CONTROL MODULE & SENSING UNIT |
|
PICTURE COLOR LCD |
PICTURE MONOCHROME
LCD |
PICTURE CONTROL
MODULE SENSING
UNIT |