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
Emergency Vehicles Inc. System Diagrams


THESE DIAGRAMS ARE SPECIFIC TO SYSTEMS ON PARTICULAR VEHICLES.  TO FIND DIAGRAMS SPECIFIC TO A VEHICLE, THE SYSTEM OR INDIVIDUAL PART NUMBERS MUST MATCH THE EQUIPMENT ON THE VEHICLE.

GENERIC DIAGRAMS MAY BE AVAILABLE.  REFER TO "GENERIC SYSTEM DIAGRAMS" ON THE PREVIOUS PAGE.

BECAUSE THERE CAN BE CHANGES TO SYSTEM COMPONENTS, DRAWINGS LISTED HERE MAY DIFFER FROM EXISTING EQUIPMENT ON A PARTICULAR VEHICLE.  IF NECESSARY, CONTACT HWH CORPORATION FOR ASSISTANCE. 

LEGEND:    

ULO --------Universal Level Out slide-out
UPLO-------Universal Platform Level Out slide-out
USO---------Universal Straight Out slide-out
HP-----------Hand Pump

ReM---------Remote Manifold

DA-----------Power Extend/Power Retract Jacks (double-acting)

SA------------Power Extend/Spring Retract Jacks (single-acting)
FW-----------Fifth Wheel/Towable Vehicle

 System #                            System Description                                         Hyd. Diagrams        Elect. Diagrams

AP37457         Room Control System 1-USO slide-outs                               MP69681                MP897830
                        1-AP32369 Power Unit
                        2-AP39125  USO Kit w/AP38251 & AP38252 Mechanisms

AP41615         Room Control System 3-USO slide-out                                 MP69903                MP900270
                        1-AP38245 Power Unit
                        3-AP37459  USO KitS w/AP38251 & AP38252 Mechanisms

AP43935         Room Control System 2-USO slide-out                                 MP70089                MP902630
                        1-AP43937 Power Unit
                        2-AP37459  USO KitS w/AP38251 & AP38252 Mechanisms

AP47895         2K Leveling HP DA ReM 2-USO & 2-ULO slide-outs        MP70371A-E          MP90599A-F
                        1-AP47979 Power Control with AP48090 Power Unit
                        2-AP45129 16,000 Jack DA
                        2-AP43838 24,000 Jack DA
                        2-AP37459  USO Kits w/AP38251 & AP38252 Mechanisms
                        2-AP47897  USO Kits w/AP40753 & AP40754 Mechanisms

AP48970         Room Control System HP 2-UPLO slide-outs                       MP70422A-D         MP906550
                        1-AP49007 Power Unit
                        2-AP48972  UPLO Kits w/AP48384 & AP48385 Mechanisms

AP50674         Room Control System HP 1-USO slide-out                           MP70583                MP908170
                        1-AP45790 Power Unit
                        1-AP37459 USO Kit w/AP38251 & AP38252 Mechanisms

AP53042         Room Control System HP 3-UPLO slide-outs                       MP70749A-D         MP909940
                        1-AP46055 Power Unit
                        3-AP50423 UPLO Kits w/AP43166 & AP43167 Mechanisms