General Installation Information
Pre-installation checks - MI351006
Protection of electrical connections - MI9554
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 - MI352009
Jack pressure sitch 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 -
MP652802Hydraulic line connection to manifold - Kickdown jacks -
MP65300AAir dump air line connections - HWH air dump valves -
MP752Electrical connection diagram - warning switches - pressure switches - park brake wiring - touch panel harness -
MP85056JElectrical connection diagram with pilot air dump - warning switches - pressure switches - park brake wiring - touch panel harness -
MP85091CElectrical connection diagram - Manifold, master relay and pump relay -
MP85102KElectrical connection diagram with pilot air dump - Manifold, master relay and pump relay -
MP851035Electrical connection diagram with HWH air dump valves - Manifold, master relay and pump relay -
MP851045Electrical connection diagram - Touch Panel -
MP852930Electrical connection diagram - Master Warning Light/Buzzer -
MP85304RSchematics and Flow Diagrams
Hydraulic Leveling Systems Schematics
200/210/225 Leveling System - 4 Kickdown jacks - MP65306C
200/210/225 Leveling System - 4 Straight-Acting jacks - MP659435
305/310/325 Leveling System - 4 Kickdown jacks - MP653025
305/310/325 Leveling System - 4 Straight-Acting jacks - MP653005
310 Leveling System - 6 Straight-Acting jacks - MP65325C
310 Leveling System - travel trailer/fifth wheel - 4 Straight Acting jacks - front jack equalization - MP65327C
310 Leveling System - travel trailer/fifth wheel - 4 Straight Acting jacks - front jack equalization & front pressure switches - MP65324K
310 Leveling System - travel trailer/fifth wheel - 4 Straight Acting jacks w/ pressure switches - no manifold pressure switch - MP650115
310 Leveling System - 2 Kickdown jacks - MP652105
310 Leveling System - 2 Kickdown jacks - no manifold pressure switch - MP654535
310 Leveling System - 2 Straight-Acting jacks - MP653020
310 Leveling System - 3 Straight-Acting jacks - MP653065
310 Leveling System - 4 Straight-Acting jacks - 2 cylinder axle lift - MP65311C
Landing Gear - 1 or 2 jacks - MP653153
Landing Gear - 2 jacks with room extensions - MP653156
400 Leveling System - 4 Kickdown jacks - MP653460
400 Leveling System - 4 Straight-Acting jacks - MP653462
510 Leveling System - 4 Kickdown jacks - MP651505
510 Leveling System - 4 Straight-Acting jacks - MP653710
610 Leveling System - 4 Kickdown jacks with pressure switches - MP655010
610 Leveling System - 4 Straight-Acting jacks with pressure switches - MP654525
610 Leveling System - 4 Straight-Acting jacks - 2 rear stabilizer jacks - all jacks with pressure switches - MP65501M
625 Leveling System - 4 Kickdown jacks with pressure switches - MP65603C
625 & 625 Single Step Leveling System - 4 Straight-Acting jacks with pressure switches - MP65601C
Hydraulic Room Extension Schematics & Flow Diagrams
1 room - single cylinder with large valves - MP659468
1 room - dual cylinder with rack sensing valve and large valves - MP659430
1 room - dual cylinder with rack sensing valve and reversible pump - MP659410
1 room - dual cylinder wuth synch cylinder and large valves - MP659453
2 rooms - 2 single cylinder rooms with large valves - MP659445
2 rooms - 1 dual cylinder with rack sensing valves & 1 single cylinder with large valves - MP659420
2 rooms - 2 dual cylinder with rack sensing valve and large valves - MP659436
2 rooms - 1 dual cylinder with rack sensing valve & 1 single cylinder with small valves - MP659600
Step Cover manifold and cylinder - MP659525
Flow Diagram - single cylinder with large valves - MP659459
Flow Diagram - dual cylinder with large valves - extending - MP65956C
Flow Diagram - dual cylinder with large valves - stationary position - MP65327F
Flow Diagram - dual cylinder with rack sensing valve and large valves - stationary position - MP659481
Flow Diagram - dual cylinder with rack sensing valve and large valves - extending - MP659483
Flow Diagram - dual cylinder with rack sensing valve and large valves - extending -racked front - MP659485
Flow Diagram - dual cylinder with rack sensing valve and large valves - extending -racked rear - MP659487
Flow Diagram - dual cylinder with rack sensing valve and large valves - retracting - MP659489
Flow Diagram - dual cylinder with rack sensing valve and large valves - retracting -racked front - MP659491
Flow Diagram - dual cylinder with rack sensing valve and large valves - retracting -racked rear - MP659493
Flow Diagram - dual cylinder with synch cylinder and large valves - stationary position - MP659455
Flow Diagram - dual cylinder with synch cylinder and large valves - extending cylinders - MP659458
Flow Diagram - dual cylinder with synch cylinder and large valves - retracting cylinders - MP659472
Flow Diagram - 4 cylinder with synch cylinder and large valves - stationary position - MP659472
Flow Diagram - 4 cylinder train drive with large valves - stationary position - MP659550
Flow Diagram - 4 room locks with large valves - MP65957C
Air Leveling System Schematics
(For complete chassis air system schematics refer to chassis manufacturer)
Air Leveling - no tag axle - 2 manifolds - MP752108
Air Leveling - with tag axle - 3 manifolds - no tag lift Foretravel - MP754509
Air Leveling - with tag axle - 3 manifolds - no tag lift - regulated air for tag manifold - MP75020C
Air Leveling - with tag axle - 3 manifolds - tag lift - 6 valve tag manifold - MP75210J & MP75310J
Air Leveling - with tag axle - 3 manifolds - tag lift - 8 valve tag manifold - MP75012F & MP75012N
Electrical Schematics
100/110 4 Lever - Kickdown jacks - MP859905
100/110 4 Lever - Kickdown jacks with air dump - MP859910
100/110 4 Lever - Straight-Acting jacks - MP859935
100/110 4 Lever - Straight-Acting jacks with air dump - MP859940
200 Joystick - Kickdown jacks - MP859925
200 Joystick - Kickdown jacks with air dump - MP859930
200 Joystick - Straight-Acting jacks - MP851525
200 Joystick - Straight-Acting jacks with air dump - MP859920
210 Joystick - Kickdown jacks - MP852020
210 Joystick - Kickdown jacks with air dump - MP852030
210 Joystick - Straight-Acting jacks with or without air dump - MP852025
310 manual Touch-Panel - Motorized - Kickdown or Straight-Acting Jacks with or withour air dump - MP88102
310 manual Touch-Panel - Travel trailer/Fifth Wheel - Kickdown or Straight jacks with or without air dump
MP88105
305/325 manual Touch-Panel - Motorized - Kickdown or Straight Jacks with or withour air dump - No "Not in Park/Brake" light - MP88700
325 manual Touch-Panel - Motorized - Kickdown or Straight Jacks with or withour air dump - has "Not in Park/Brake" light in touch panel - MP89055
500 Series - Prevost air leveling - AP9705
610 computerized - Kickdown or Straight Jacks with or withour air dump - MP88101
625 computerized - Kickdown or Straight Jacks with or withour air dump - Blade fuse for touch panel power supply - MP89055
625 or 625 Single Step computerized - Kickdown or Straight Jacks with or withour air dump - Poly fuse for touch panel power supply - MP89573
Interface for HWH rooms to Intellitec operating systems - MP892570-1
Chinook 1 room with locks - MP88681
Chinook 2 rooms with locks - MP89007
Country Coach with tag - no rooms - central control module - MP89048
Country Coach with tag - with rooms - central control module - MP89049
Introduction to Hydraulics
The effects of corrosion & wire length on Electrical Circuits
HH95308 - Hydraulic flow through an HWH Dual Cylinder circuit (Synchronized room extension)
ML20635 - Air Leveling Textbook
ML37939 - HWH Regenerative Hydraulic Circuit
ML37940 - 625 Series - Series/Parallel Operation
ML37955 - HWH Synchronizing Cylinder
ML37965 - Hydraulic Fluid Flow and Pressure Theory
ML39247 - Manual set up or repair synchronizing procedure for room extensions
Instruction Sheets
Operational Information
ML23032.pdf - BI-AXIS Leveling Commentary
HWH vs Competition - A comparison of our system against their's
MI9558.pdf - All OEM's - Yellow Level Indicator Lights On 625 One Touch Leveling Systems
MI9559.pdf - Winnebago - Yellow Level Indicator Lights On 625 One Touch Leveling Systems
MI9541.pdf - Towing a vehicle with and HWH Air Leveling System
ML30817.pdf - Jack retraction information for 305/310/325 & 610/625 leveling systems
MI95400c.pdf - Jacks down warning light & buzzer on 310 & 610 leveling systems
Hydraulic Jack Information
MI9553.pdf - Allowable retraction times for hydraulic jacks - Updated 09/11/07
MI9540.pdf - Repairing or installing the 16K AP8525 leveling jack
MI9547.pdf - Maintenance for the AP1206 mechanical kick-down jack
MI9542.pdf - Installing jack mounting brackets on MOR/RYDE suspensions
Level Sensing Unit Information
MI9543.pdf - Non-electronic sensing unit tolerances & adjustment
MI154550.pdf - Electronic sensing unit tolerances & adjustment - Updated 09/11/07
Sensing Unit Replacement - Locating Switched +12V
MI150065.pdf - Electronic sensing unit mounting plate replacement
ML31215.pdf - Jumper placement for 325 & 625 aftermarket installations or electronic sensing unit replacement
MI154570.pdf - Remote mounted "potted" electronic sensing unit accuracy tolerance - New 10/04/07
Hydraulic Hose Information
ML24976.pdf - Hydraulic Hose/Fitting/Swaging guide
MI95400f.pdf - Hose swaging and repair instructions
MI9550.pdf - HWH 02 HP hose ID by printout on hose cover - Winnebago
MI9551.pdf - HWH 02 HP hose ID by printout on hose cover - All OEM's
MI9552.pdf - Concerning return policy for HWH hose warranties
General Electrical Information
MI9561.pdf - 625 one touch leveling system touch panel pigtail update for systems with remote rocker switches
Information Bulletin
MI1598.pdf - 625 one touch leveling system touch panel pigtail update for systems with remote rocker switches
Instruction Sheet
MI9557.pdf - Master Relay rotation with installation of adaptor plate kit
MI15006K.pdf - Pump motor replacement (Parker pumps)
MI150011.pdf - Air level solenoid valve coil replacement
MI9544.pdf - Jack pressure switch adjustment for 610 & 625 leveling systems
Room Extension Information
MI9546.pdf - Diagnosing "Creep Out" problems for type"A" room extensions with large solenoid valves
MI957603.pdf - Hydraulic solenoid valve ID and replacement for room extensions
MI159502.pdf - Hydraulic solenoid valve ID and replacement of 2 (two) solenoid valves for room extensions
MI95400K.pdf - Synchronizing cylinder pressure switch information for room extensions with 4 room cylinders
MI154560.pdf - "X" Slide Adjustments - New 09/11/07
MI9556.pdf - 2004 Winnebago "X" Slide Installation Adjustments
MI1583.pdf - Room extension cylinder rod end seal replacement
MI9549.pdf - 4 cylinder room extension systems, solenoid valve rewiring
MI15000E.pdf - Air seal manifold rework
ML34829.pdf - Room extension air seal replacement
MI15400R.pdf - Travel clamp limit switch replacement
Applications
MI9548.pdf - 610 series, Computer-Controlled leveling system applications
ML35671.PDF - Quick reference LED and fuse sheet for 325 leveling systems
ML35669.PDF - Quick reference LED and fuse sheet for 625 leveling systems
HWH Control Box quick reference guide
HWH Hydraulic Jack quick reference guide
OEM Specific Information
Chinook RV Operators Manuals and Documentation
2000 Series
ML24822 - Computerized hydraulic leveling, kick-down jacks - 1 or 2 room extensions with hydraulic locks and air seal
Room Extensions
Troubleshooting - HWH 2000 Series Chinook RV Room Functions - roomts.pdf
ML35976 - Fleetwood - Automatic Travel Clamp Service Manual
Room Extension Cylinder Replacement, Mechanism Adjustment and Repair Sheets
ML39247 - Set up or repair synchronizing procedure for room extensions
MP459412 - Single Cylinder with Guide Tubes - Cylinder replacement
ML19524 - "Guided" Single Cylinder - Cylinder replacement
MI15200J - "Guided" Single Cylinder - Cylinder replacement special with washers
MI15005H - "Guided" Single Cylinder - Stop plate and bearing pad replacement
MP459415 - Rail-type Dual Cylinder with rack sensing valve - Cylinder replacement
MP459420 - Rack sensing valve replacement and adjustment
ML10687 - Rack sensing valve replacement
ML16463 - Rail-type Dual Cylinder with synch cylinder - Cylinder replacement and adjustment
ML19241 - Rail-type Dual Cylinder with synch cylinder and reversible pump - Cylinder replacement
ML23518 - Rail-type level out with ramp and synch cylinder - Cylinder replacement and adjustment
ML18750 - Vertical Arm Dual Cylinder with synch cylinder - Cylinder replacement
ML18702 - Vertical Arm Dual Cylinder with synch cylinder and reversible pump - Cylinder replacement
ML18751 - Vertical Arm mechanism adjustment
ML21058 - Four Cylinder with synch cylinder - Cylinder replacement and adjustment
ML18759 - Four Cylinder with synch cylinder and reversible pump - Cylinder replacement and adjustment
ML18781 - Four Cylinder with synch cylinder and reversible pump - Synchronizing procedure
ML23527 - Train Drive Four Cylinder with synch cylinder - Cylinder replacement and synchronizing procedure
MI15400C - Train Drive roller replacement procedure
ML30248 - Lateral Arm Dual Cylinder with synch cylinder - Cylinder replacement and synchronizing procedure
MI152002 - Lateral Arm Dual Cylinder adjustment procedure
ML21970 - Synchronzing cylinder and Room Extension hydraulic hose replacement
ML36149 - Chain roller replacement - "X" Arm, Universal and Universal Level Out room extensions
MI1583 - Room Extension seal replacement
ML34829 - Room Extension air seal replacement
HWH Jack Bracket Prices & Suggested Mountings - ML10049AP9434 Spacer Kit 1.5"
AP9435 Spacer Kit 3.0"
AP9787 Hardware Kit 1.5" Spacer, 16K
AP36364 4000# Front Jack Kit Ford E350/E450 Chassis
AP37523 4000# Front Jack Kit Sprinter 2500/3500 Chassis
AP37942 4000# Rear Jack Kit Sprinter 2500 Chassis
AP34438 6000# Front Jack Kit F53 Frt 04-06
AP34439 9000# Front Jack Kit F53 Frt 04-06
AP34440 9000# Rear Jack Kit Ford Rear 04-06
AP34439 9000# Front Jack Kit Workhorse 04-06
AP34440 9000# Rear Jack Kit Workhorse 04-06
AP7107 Bracket Kit Chevy/Workhorse Front
AP7160 Bracket Kit Ford Front
AP7485 Bracket Kit Ford/Oshkosh
AP18760 Bracket Kit Ford Front
AP0316 Bracket Kit Oshkosh X
AP0314 Bracket Kit Spartan EC2000 Front
AP0090 Bracket Kit Chevy Front Class C
AP0897 Bracket Kit Universal Class C
AP40816 Bracket Kit 2008 Dodge Sprinter Front
AP37942 Bracket Kit 2008 Dodge Sprinter Rear
AP0921 Bracket Kit Chevy/Workhorse Rear
AP5272 Bracket Kit Chevy/Workhorse Rear
AP6656 Bracket Kit Chevy Rear
AP5273 Bracket Kit Chevy Rear Henschen
AP0923 Bracket Kit MOR/Ryde
AP7486 Bracket Kit Chevy Rear M-R
AP6957 Bracket Kit Ford Rear
AP11721 Bracket Kit Ford Rear
AP7159 Bracket Kit Side Of Frame,Oshkosh/Ford & Deere
AP18761 Bracket Kit Side of Frame
AP0317 Bracket Kit Oshkosh X R X-Mem
AP0315 Bracket Kit Spartan EC2000 Rear
AP10556 Bracket Kit Fleetwood Adapter
AP36365 Bracket Kit Ford E350/E450 rear
AP16238 Pivot Bracket Kit Chevy P30: Frt
AP16236 Cylinder Kit
AP21772 Pivot Bracket Kit/Cross Tie Kit
AP17004 Bracket Kit P30 Rear
AP21772 Pivot Bracket/Cross Tie Kit
AP16237 Cylinder Kit
AP16239 Pivot Bracket/Cross Tie Kit
AP16241 Pivot Bracket/Cross Tie Kit
AP22873 Pivot Bracket/Cross Tie Kit
AP16242 Pivot Bracket Kit
AP22874 Pivot Bracket/Cross Tie Kit
AP16243 Pivot Bracket/Cross Tie Kit
AP16244 Pivot Bracket Kit 2 Jack Assy
AP12022 Bracket Kit Cross Tie F53 Front
AP2144 Adapter Kit F53
AP2148 Jack Kit
AP2143 Cross Tie Kit 34"
AP10480 Jack Kit
AP11673 Adapter Kit F53
AP11722 Jack Kit
AP11672 Adapter Kit F53
AP13315 Adapter Kit P30
AP11925 Adapter Kit P30
AP10173 Bracket Kit F53 Jet Air Tag
AP10174 Bracket Kit P30 Tag Rear
AP2143 Cross Tie Kit 34"
AP2226 Cross Tie Kit 41"
