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

Jacks (Mounting & Jack Brackets)

 

Fast-Find Index (Click to jump ahead.)

01     Jack Brochures & Specifications

02     Mounting/Installation/Painting Instructions

03     Performance Information, Jacks

04     Adjustments

05     Electrical Information

06     Hydraulic Hose Information

07     Switch (Pressure & Warning) Information

08     Warning Light/Buzzer Information

09     Sprinter Chassis Jack Diagrams & Photos

 

01  Jack Brochures & Specifications

 * Straight-Acting (Power-Extend/Spring-Retract) Jacks

- General Information straightpowerexspringre5.html

- 6,000, 9,000, & 12,000 lb. Jacks for Towables _______ towablestraight3.html

- 9,000 lb. - 13" Stroke __________________________________________      ML46843
- 12,000 lb. - 13" Stroke _________________________________________      ML46844
- 16,000 lb. - 13" Stroke _________________________________________      ML46845

 * Straight-Acting (Power-Extend/Power-Retract) Jacks

- Installation Accessories (Brackets & Control Panel Box) _________________    ML43323

      - Precision Leveling Jack (16,000 lb.) - Brochure ________________________     ML45101
      - Precision Leveling Jack (24,000 lb.) - Brochure ________________________     ML45102

      - 7,000 lb. - 21" Stroke - Brochure & Specifications _______________________    ML42935

- 12,000 lb. - 21" Stroke - Brochure & Specifications ______________________    ML42933
- 12,000 lb. - 24" Stroke - Brochure & Specifications ______________________    ML43625
- 12,000 lb. - 24" Stroke (with Bolt-On Brackets) - Brochure & Specifications ___      ML43764
- 12,000 lb. - 24" Stroke (Integrated Jack & Power Unit) - Brochure __________      ML43799
- 12,000 lb. - 30" Stroke - Brochure & Specifications ______________________    ML43626

- 16,000 lb. - Precision Leveling Jack - Brochure ________________________     ML45101

- 24,000 lb. - 16" Stoke (AP43838) - Brochure & Specifications _____________     ML45328
- 24,000 lb. - 24" Stroke - Brochure & Specifications ____________________       ML43627
- 24,000 lb. - Precision Leveling Jack - Brochure ________________________     ML45102

* Straight-Acting/Pivoting (Power-Extend/Power-Retract) Jacks

- HWH "Pivoting" Jacks (HWH vs Competition) ________________________      ML43867

- 12,000 lb. - 13" or 16" Stroke - Brochure & Specifications ________________      ML43811
- 16,000 lb. - 16" Stroke - Brochure & Specifications ______________________    ML43812

* Straight-Acting/Pivoting (Power-Extend/Spring-Retract) Jacks

- General Information straightpivoting3.html

- HWH "Pivoting" Jacks (HWH vs Competition) _______________________      ML43867

- 3,000 lb. Telescoping Jack - Brochure & Specifications __________________    ML41825
- 3,000 lb. Telescoping Jack - Video ___________________________________ ML41825

- 4,000 lb. Telescoping Jack - Brochure ______________________________      ML36949
- 4,000 lb. Telescoping Jack - Video ___________________________________ ML36949

- 9,000 lb. - 13" Stroke (AP45657) - Brochure & Specifications ______________    ML46655
- 9,000 lb. - 13" Stroke (AP46747) - Brochure & Specifications _____________      ML46843

- 12,000 lb. - 13" Stroke (AP45650) - Brochure & Specifications _____________    ML46654
- 12,000 lb. - 13" Stroke (AP46748) - Brochure & Specifications _____________    ML46844

- 16,000 lb. - 13" Stroke (AP45692) - Brochure & Specifications _____________    ML46656
- 16,000 lb. - 13" Stroke (AP46749) - Brochure & Specifications _____________    ML46845

- 6,000, 9,000, 12,000, 16,000, 24,000 lb. Jack - Video____________________ straightpivoting.wmv

 

02  Mounting/Installation/Painting Instructions

 

* Mounting Brackets Catalog (with Diagrams) _____________________________   ML10049
* Mounting Brackets Listing (by Item Number) ____________________________   ml44100blj_brkt.html
* Mounting Brackets for Landing Gear (AP43594, AP44261, AP44265, AP44269)
Install Instructions_________________________________________________     MI154582
* Mounting Bracket Installation Accessories (& Control Panel Box)

for Straight-Acting (Power-Extend/Power-Retract) Jacks ______________________ ML43323

* Landing Gear Jack (6,000 lb. Straight-Acting) Install Instructions _____________      MI154580
* Painting/Mounting Instructions for Landing Gear (and other) Jacks ____________      MI154755
* MOR/RYDE Suspension Jack Mounting Bracket Installations _______________      MI9542

* Clamps, Bolt-Thru Style for Straight-Acting Jacks (Instructions) ________________ MI157810A
* Clamps, Drilled/Tapped Weld-On Style for Straight-Acting Jacks (Instructions) ____  MI157810B
* Clamp Kit, Crosstie for Straight-Acting Jacks (Instructions) _________________     MI157810C
* Clamp Mounting Bracket for Straight-Acting Jacks (Instructions) ______________  MI157810D

 

03     Performance Information, Jacks

* Allowable Retraction Times for Hydraulic Jacks ___________________________  MI9553
* Cold Weather Operations ___________________________________________  MI95531
* Jack Retraction Information for 305/310/325 & 610/625 Leveling Systems ________  ML30817

 

04     Adjustments, Repairs & Maintenance

               ALL Jacks
                 * Maintenance of ALL HWH Kick-Down & Straight-Acting Jacks _____________ ML47149

Kick-Down Jacks
  * Kick-Down Jack - Horizontal and Vertical Adjustments ____________________ MI9562
  * AP8525 16,000 lb. Kick-Down Jack - Repairing or Installing ________________   MI9540
  * AP1206 Kick-Down Jack - Maintenance ______________________________   MI9547

 

05     Electrical Information

 * Electrical Connection Protection _____________________________________   MI9554

06     Hydraulic Hose Information

* General Hydraulic Hose Information - Refer to "General Install Information Section"
* Hose Routing (Kick-Down Jacks) ____________________________________   MI352009

 

07     Switch Information

Switch Interface Information
* Warning/Pressure Switch Interface _________________________________      MI1580
* Replacement Instructions for Cylinder Replacement with Warning/Pressure Switch
Interface ______________________________________________________      MI154754

Pressure Switches
* Pressure Switch Adjustments (All Jacks) ______________________________     MI9544
* Pressure Switch Installation (All Jacks) _______________________________      MI352009
* Pressure Switch Installation (Dodge Sprinter Rear S/A Jacks AP37942 4K
   
& AP37542 6K) ________________________________________________    MI152008
* Pressure Switch Installation (4K S/A Jacks with Pressure Switch Window) _____    MI152102
* Pressure Switch Installation (3500 PSI Pressure Switch) __________________      ML47649

             Warning Switches
               * Single-Wire Warning Switch Adapter Kit Instructions ____________________      MI156033

               * Kick-Down Jack Warning Switch Replacement Instructions _______________      MI1503
               * Kick-Down Jack (6,000 lb.) on Manual LeSy w/2-Wire Warning Switch ______      MP653040
               * Kick-Down Jack (9,000 lb.) on Manual LeSy w/2-Wire Warning Switch ______      MP653045
               * Kick-Down Jack (16,000 lb.) on Manual LeSy w/2-Wire Warning Switch _____      MP653030

* Straight-Acting Jack Warning Switch Replacement Instructions _____________    MI1504
* Straight-Acting Jacks with Side/Side Return Springs on Manual Leveling
   
System w/2-Wire Warning Switch ____________________________________ MP653035

Warning/Pressure Switch Interface ___________________________________    MI1580

 

08        Warning Light/Buzzer (for Jacks Down)

 

* Jacks Down Warning Light & Buzzer on 310 & 610 Leveling Systems ________   MI95400c

 

09     Sprinter Chassis Jack Diagrams & Photos