HWH Corporation
(On I-80, Exit 267 South)
2096 Moscow Road
Moscow, Iowa 52760

Phone: (563)724-3396 or (800)321-3494
Fax: (563)724-3408

Business Hours: 8 a.m. - 5 p.m. Central Time (M-F)

The World's Largest Manufacturer
of RV Leveling & Room Extension Systems
Installation Diagrams and Information

General Installation Information
Pre-installation checks - MI351006
Protection of electrical connections - MI9554

Jack Mounting Bracket Catalog (with diagrams)

Hose Information
Hose Swaging (Hose end to hose assembly) - MI95400F
Hose Identification and assembly guide - ML24976

Jack Information
Kickdown jack horizontal and vertical adjustments - MI352518
Kickdown jack hose routing - MI352009
Jack pressure switch installation - Generic Kickdown and Straight-Acting jacks - MI352009
Jack pressure switch installation - Dodge Sprinter - AP37942 & AP37542 jack kits - MI152008
Jack pressure switch installation - 4000 lb jacks with pressure switch window - MI152102
Jack pressure switch adjustment - MI9544
6000# Kickdown jack warning switch information - MP653040
9000# Kickdown jack warning switch information - MP653045
16000# Kickdown jack warning switch information - MP653030
Straight-Acting jack warning switch information - MP653035

Sensing Unit Information
Sensing Unit Adjustment - 325/625/625S/2000 - MI154550
Sensing Unit Adustment - 225 Joystick - Coming Soon
Sensing Unit Orientation and jumper placement - ML31215

225 Connection Diagrams
Hydraulic line connection to valve and pump - MP65
Air dump air line connections with HWH air dump valves - MP752
Electrical harness connection diagram without air dump - MP85106C
Electrical harness connection diagram with air dump - MP852005
Pump relay connection diagram - MP852015
Bezel plate connections - MP852010
Sensing Unit, Pump and Warning Switch harness connections to valve pigtails - MP85279C
Master Warning Light/Buzzer connection diagrams - MP859999

625/625S Connection Diagrams
Hydraulic line connection to manifold - Straight-Acting jacks - MP652802
Hydraulic line connection to manifold - Kickdown jacks - MP65300A
Air dump air line connections - HWH air dump valves - MP752
Electrical connection diagram - warning switches - pressure switches - park brake wiring - touch panel harness - MP85056J
Electrical connection diagram with pilot air dump - warning switches - pressure switches - park brake wiring - touch panel harness - MP85091C
Electrical connection diagram - Manifold, master relay and pump relay - MP85102K
Electrical connection diagram with pilot air dump - Manifold, master relay and pump relay - MP851035
Electrical connection diagram with HWH air dump valves - Manifold, master relay and pump relay - MP851045
Electrical connection diagram - Touch Panel - MP852930
Electrical connection diagram - Master Warning Light/Buzzer - MP85304R