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1644526G (406807)

2020-SEP-21

16

1644526G (406807)

2020-SEP-21

17

INSTALL HOSES - DOUBLE-ACTING

Install 9/16 ORB x 3/4 JIC straight adapters in both work ports on the electric pump.  If needed, for good 

hose routing, install  3/4 JIC x 3/4 JIC 90° swivel adapters to both of these adapters.

For the B-5 (Bert), C-8 (Charlie) & D-9 (Daniel) models, install 9/16 ORB male x 3/4 JIC male straight 

adapters in both ports on the cylinder. For the D-10 (David), E-15 (Ernie) & F-18 (Floyd) models, install 

3/4 ORB male x 3/4 JIC male straight adapters in both ports on the cylinder.

Connect the shorter 3/8” ID hose with 3/4 JIC fittings from the `C1’ port on the pump to the base end port 

on the cylinder.  Connect the longer 3/8” ID hose with 3/4 JIC fittings from the `C2’ port to the rod end 

port. (See Fig. 14.)

NOTE: The `C2’ port is the power down port and has only 1000 PSI maximum pressure.

INSTALL HOSES - SINGLE-ACTING

Install a 9/16 ORB x  3/4-16 JIC straight adapter in the power port on the electric power unit, install a 3/4 

JIC x 3/4 JIC 90° swivel adapter to this adpater and install a 1/4 NPT x 3/4-16 JIC male elbow in the port 

on the angled face of the reservoir. 

For the B-5 (Bert), C-8 (Charlie) & D-9 (Daniel) models, install 9/16 ORB male x 3/4 JIC male adapters 

in both ports on the cylinder. For the D-10 (David), E-15 (Ernie) & F-18 (Floyd) models, install 3/4 ORB 

male x 3/4 JIC male adapters in both ports on the cylinder.

Connect the shorter 3/8” hose with 3/4 JIC fittings from the base end port of the cylinder to the power port 

on the electric power unit. Connect the longer 3/8” hose with 3/4 JIC fittings from the rod end port of the 

cylinder to the port on the reservoir. (See Fig. 13.)

3/4 JICF x 3/4 JICM 90° ADAPTER

ELECTRIC SINGLE-ACTING

 

9/16 ORB x  3/4 JIC 90

 ADAPTER

1/4 NPT x  7/16 JIC 90

 ADAPTER

 

9/16 ORBM 

x 3/4 JICM 

ADAPTER

ELECTRIC POWER UNIT

POWER 

PORT

Fig. 14

ELECTRIC DOUBLE-ACTING

CYLINDER

ELECTRIC POWER UNIT

9/16 ORB X 3/4 JIC 

ADAPTER

9/16 ORB X 3/4 JIC 

ADAPTER

9/16 ORB X 3/4 JIC ADAPTER

C2 PORT (LOWER)

9/16 ORB X 3/4 JIC 

ADAPTER

C1 PORT (UPPER)

Fig. 15

Fig. 12

Connect Ground Cable

Connect Ground Cable

Connect Power Cable

Connect Power Cable

Double-Acting 

Power Unit

Single-Acting 

Power Unit

Locate the control in the cab and route the cable out of 

the cab through a hole in the back of the cab. Connect 

the control to the electric power unit using the 3- or 

4-pin connector set.

After completing the wiring, install the motor start  

switch cover over the start switch and secure with a 

tie strap.

Start Switch 

Cover

Fig. 13

Summary of Contents for LO-BOY

Page 1: ...RUCK HOIST CRYSTEEL S Web Site E Mail Phone 507 726 2728 www crysteel com crysteel tbei com Toll Free 800 533 0494 Website www TBEI com E mail sales TBEI com THIS MANUAL MUST BE INCLUDED WITH THE VEHI...

Page 2: ...lever is pushed forward 4 To raise the hoist pull the control lever back To hold the body in a raised position place the control lever in its center detent position To lower the hoist push the control...

Page 3: ...CAPACITY FORMULA 32 SPECIFICATIONS 32 INSTALLATION INSTRUCTIONS GENERAL INFORMATION It is a good idea to look through these installation instructions before beginning to mount the hoist and hydraulic...

Page 4: ...e frame angle Raise the front end of the gusset so it touches the top flange of the truck frame rail Be sure that the gusset does not interfere with the rear hinge operation Securely weld the gussets...

Page 5: ...it much easier to connect the valve control cable to the valve Place this assembly against the outside of the truck frame on the same side as the pump Mark the truck frame for drilling using the moun...

Page 6: ...s and a 3 4 hole for the control cable Assemble the control cable to the valve control head and assemble the valve control head and cover to the pedestal using 5 16 x 2 1 2 machine screws and hex lock...

Page 7: ...ed forward INSTALLHOSES D 10 DAVID E 15 ERNIE F 18 FLOYD Study Fig 10 very carefully before connecting the hoses Install a 90 street elbow and a hose barb in the suction port on the bottom of the rese...

Page 8: ...c oil should be changed more often ELECTRIC POWER UNIT MOUNTING GENERAL The electric power unit should be mounted close behind the cab either inside or outside the truck frame After determining where...

Page 9: ...C 8 Charlie D 9 Daniel models install 9 16 ORB male x 3 4 JIC male adapters in both ports on the cylinder For the D 10 David E 15 Ernie F 18 Floyd models install 3 4 ORB male x 3 4 JIC male adapters...

Page 10: ...venly spaced between the hoist mount and the rear hinge Weld them to the longbeams Align the body long beams carefully with the truck frame Securely weld the longbeams to the rear hinge brackets and t...

Page 11: ...prop raise the body to the desired height shut off all power raise the prop arm to a free standing position Lower the body slowly until the body prop bracket contacts the prop arm saddle 4 To place t...

Page 12: ...624895 1624895 1624213 1624264 1624674 1 2 Assy Cylinder 1621572 1621725 1622030 1624216 1624266 1624589 1 3 Mounting Angle 1629458 1629458 1629458 1629458 1629458 1629458 1 4 Assy Mount Pivot Driver...

Page 13: ...1644452 1644452 1644452 1644452 1 23 Decal Lubrication 1644617 1644617 1644617 1644617 1644617 1644617 1 24 Decal Kit 1621809 1621809 1621809 1621809 1621809 1621809 1 25 Body Prop Kit Driver s Side 1...

Page 14: ...13 1642813 1 19 Cap Screw Hex Hd 3 8 16 x 1 Gr 5 1642714 1642714 1642714 8 20 Gear Pump 4 GPM 9 Tooth 1644648 1644648 1644648 1 Gear Pump 4 GPM 11 Tooth 1644649 1644649 1644649 1 21 Cable Valve Contro...

Page 15: ...43374 1 41 Breather Cap Splash Resistant 1644498 1644498 1644498 1 42 Adapter 9 16 ORBM x 3 4 JICM 1643375 1643375 1643375 1 43 Assy Pump Mounting Angle 1621438 1621438 1621438 2 44 Adapter 3 4 JICM x...

Page 16: ...Cable Valve Control 120 1643211 1643211 1643211 1 Cable Valve Control 144 1643212 1643212 1643212 1 Cable Valve Control 180 1643213 1643213 1643213 1 Cable Valve Control 240 1643214 1643214 1643214 1...

Page 17: ...the distance in inches from the center of the rear hinge to the center of the body Call this A 2 Measure the distance in inches from the center of the rear hinge to the forward crosstube on the hoist...

Page 18: ...RRANTY Crysteel offers the most comprehensive warranty in the truck equip ment industry Crysteel warrants each product against defects in mate rial and workmanship for 60 months from the in service da...

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