Napa 791-5070 A Operating Manual Download Page 3

791-5070 A 

rev. 03/04/16

SETUP INSTRUCTIONS

    

 This is the safety alert symbol used for the SETUP INSTRUCTIONS section of this manual to alert you to potential personal injury 

hazards. Obey all instructions to avoid possible injury or death.

PLEASE REFER TO THE EXPLODED VIEW DRAWING IN THIS MANUAL IN ORDER TO IDENTIFY PARTS.

1.  First, install the casters (5 & 16) to the front and rear axles (2 & 18) using the hardware items (3, 4 & 6), being sure to insert bolts from the 

bottom side of caster plate. 

IMPORTANT: All hardware that assembles items (2, 9, 18, 19 & 27) together should be assembled 

loose to ensure all bolts fit through their designated holes.

 

2.  Attach the center beam assembly (9) to the axle assemblies (2 & 18) using hardware items (1, 10, 11 & 17). 
3.  Next, attach one end of brace (19) to the center beam using hardware items (1, 10, & 11). Make sure position of brace is as shown in 

diagram. 

4.  PIace post (27) with gear box assembly onto base assembly as follows: Stand the post on the base and attach by passing bolt (1) through 

middle hole in the base bracket and the hex shaped mount welded to the bottom of the post. Then pass pin (7) through the upper hole 
in the base bracket and just in front of the post. Secure pin with clip (8) provided. Now, insert pin (7) through the rear hole, including both 
brackets and secure with clip (8) provided. 

5.  Attach the end of the brace (19) to the post using pin and clip (7 & 8). 
6.  Now tighten all hardware that assembles items (2, 9, 18, 19 & 27) together. 
7.  Rotate the worm box (29) so its three holes line up with the holes in the post (27) and secure them with the hardware (25 & 26) provided. 

The worm box (29) should be positioned as shown in the diagram. 

8.  To fold engine stand, simply remove the three pins and clips, fold brace forward, and then fold post forward. The pins and clips can be 

stored in open holes.

OPERATING INSTRUCTIONS

 This is the safety alert symbol used for the OPERATING INSTRUCTIONS section of this manual to alert you to potential personal  

injury hazards. Obey all instructions to avoid possible injury or death.

NOTE: Do not mount engine to mounting plate unless all three pins (7) are in place and secured with clips (8) provided according to the 
ASSEMBLY INSTRUCTIONS. 
1.  Consult the vehicle or engine manufacturer for service manuals and/or technical bulletins that provide information on suggested engine 

mounting tips, proper size and type mounting bolts and the engine’s center of balance. The engine’s center of balance will have to be 
aligned with the rotational axis of the engine stand’s mounting head assembly. 

2.  Drain oil and coolant and remove clutch bell housing and flywheel from engine before mounting. Attach an engine lifting bar or sling to 

the engine and secure the bar or sling to a shop crane or hoist. Slowly lift the engine from its compartment making sure no other vehicle 
components, wires or hoses obstruct the free movement of the engine. Raise the engine high enough so its center of balance is close to 
the rotational axis of the stand’s mounting head. 

3.  Make sure, the four mounting head fingers are loosely connected to the mounting head plate. Secure the four mounting head fingers to the 

bell housing end of the engine with the appropriate bolts and washers. Reposition the mounting head, fingers and engine so the engine’s 
center of balance is within one inch of the mounting head’s rotational axis. Tighten all bolts to a sufficient torque requirement that prevents 
any slippage.

4.  Slowly lower the crane or hoist so the engine stand supports full weight of the engine. To check engine balance and secure setup of the 

engine to the stand, slowly rotate the engine by turning the gear crank handle. If balance or setup are not stable, rotate the engine to its 
original position, raise the crane or hoist so the weight of the engine is removed from the stand and make the correct adjustments. After 
adjustments are made, tighten all bolts. This adjustment procedure may have to be duplicated several times until correct. After the setup is 
balanced and secure, the lifting bar or sling can be removed from crane or hoist. 

5.  To remove the engine from the stand, connect the lifting bar or sling to the crane or hoist and raise the engine high enough to take the 

weight off the stand. Carefully remove the bolts that connect the four mounting fingers to the engine. Be aware there will be a slight 
movement of stand as total engine weight is transferred to crane or hoist. 

6.  This engine stand has a folding feature that can save space or make storage easy. Just remove the three pins (7) and their clips (8) so the 

brace (19) and post (27) can fit flat on top of the center beam assembly (9). The pins and clips can be stored in the open holes.

PREVENTATIVE MAINTENANCE

 This is the safety alert symbol used for the PREVENTATIVE MAINTENANCE section of this manual to alert you to potential personal 

injury hazards. Obey all instructions to avoid possible injury or death.

1.  Always store the engine stand in a well protected area where it will not be exposed to inclement weather, corrosive vapors, abrasive dust,  

or any other harmful elements. The engine stand must be cleaned of water, snow, sand, grit, oil, grease or other foreign matter before using. 

2.  Lubricate the wheels, casters, zerk fittings, gear and rotating shaft with a general purpose grease. 
3.  Every engine stand owner is responsible for keeping the engine stand label clean and readable. Use a mild soap solution to wash the 

external  surfaces of the stand. Contact NAPA for a replacement label if your stand’s label is not readable. 

OPERATING MANUAL & PARTS LIST FOR 791-5070 A

Summary of Contents for 791-5070 A

Page 1: ... not use stand or dolly to transport engine Do not crawl under engine or place any part of your body under engine at any time Refer to engine manufacturer s service manual for proper lifting points mounting points and bolt sizes Mounting bolts should be torque at appropriate amount to maintain load Do not use or modify this product for any other purpose than that for which it was designed without ...

Page 2: ...ed in poor condition or has loose or missing hardware or components Take corrective action before using the engine stand Do not use beyond rated capacity Use only on hard level surface capable of supporting the load Make sure all mounting hardware is securely tightened and setup is stable before rotating engine Always use high strength SAE grade 8 bolts for mounting engine to mounting head fingers...

Page 3: ...ine and secure the bar or sling to a shop crane or hoist Slowly lift the engine from its compartment making sure no other vehicle components wires or hoses obstruct the free movement of the engine Raise the engine high enough so its center of balance is close to the rotational axis of the stand s mounting head 3 Make sure the four mounting head fingers are loosely connected to the mounting head pl...

Page 4: ...nit will not lift to full height Purge air from hydraulic system as above 4 Handle tends to raise up while the unit is under rated load Pump the handle rapidly several times to push oil past ball valves in power unit 5 Unit still does not operate For a complete list of authorized hydraulic repair centers please visit www toolwarrantyrepair com WARRANTY Please contact your local NAPA Auto Parts Sto...

Page 5: ...nk 1 13 Grip 1 14 M5 Washer 1 15 M5x10 Bolt 1 16 RS8300G04 3 Fixed Caster 2 17 M12x65 Bolt 2 18 Front Axle Assembly 1 19 RS8300GA19BL Brace 1 20 Mounting Plate Bolt M12x60 4 ITEM NO PART NO DESCRIPTION QTY 21 M12 Washer 4mm 4 22 RS8300G26 Finger 4 23 RS8300GA23Y Mounting Plate Shaft Assembly 1 24 12 Lock Washer 4 25 M8x25 Bolt 3 26 M8 Washer 3 27 Post 1 28 RS8300GA27 Grease Fitting 2 29 Worm Box 1...

Page 6: ... para transportar el motor No se arrastre debajo del motor ni sitúe ninguna parte del cuerpo debajo del motor en ningún momento Consulte el manual de servicio del fabricante por los puntos adecuados de levantamiento los puntos de montaje y los tamaños de los pernos Los pernos de montaje deben estar ajustados a la torsión adecuada para mantener la carga Este producto contiene sustancias químicas co...

Page 7: ...rective antes de usar la base del motor No use el gato más allá de su capacidad nominal Utilice solo sobre una superficie dura y nivelada capaz de sostener la carga Asegúrese que toda la ferretería de montaje esté apretada seguramente y el montaje esté sujetado antes de rotar el motor Siempre use pernos de clasificación SAE de alta resistencia no provistos para montar el motor y los dedales del de...

Page 8: ...FORMA DE USO 1 Consulte al fabricante del vehículo o del motor por los manuales de servicio y o los boletines técnicos los que brindan información sobre los consejos sugeridos de montaje del motor el tamaño y el tipo de pernos de montaje adecuados y el centro de equilibrio del motor El punto de equilibrio del motor tendrá que alinearse con el eje giratorio de la cabeza de montaje de la base del mo...

Page 9: ...s Observe todas las instrucciones para evitar lesiones o peligros de muerte 1 Siempre almacene las bases en un área bien protegida donde éstas no estarán expuestas a las inclemencias del tiempo vapores corrosivos el polvo abrasivo o cualquier otro elemento dañino Antes del uso las bases deben estar limpias de agua nieve arena y arenilla 2 La base debe ser lubricada periódicamente con el fin de pre...

Page 10: ... nominale Utiliser seulement sur une surface dure et au niveau adéquat pour supporter la charge S assurer que le matériel de montage est bien serré et que le système est stable avant de tourner le moteur Toujours utiliser des boulons très solides de grade 8 non fournis pour monter le moteur à la tête et doigts de montage S assurer que la tête et doigts de montage si fournis sont près du sol quand ...

Page 11: ... niveau adéquat pour supporter la charge S assurer que le matériel de montage est bien serré et que le système est stable avant de tourner le moteur Toujours utiliser des boulons très solides de grade 8 non fournis pour monter le moteur à la tête et doigts de montage S assurer que la tête et doigts de montage si fournis sont près du sol quand le montage de moteur est en position debout S assurer q...

Page 12: ...a dimension appropriée et le genre de boulons de fixation ainsi que le centre d équilibre du moteur Le centre d équilibre du moteur devra être aligné avec l axe de rotation de la tête du support de moteur 2 Drainez l huile et le liquide réfrigérant et enlevez le logement de l embrayage ainsi que le volant moteur avant le montage Attachez une barre ou une bride de levage au moteur et fixez la barre...

Page 13: ...rés de quelques façons Faites les cor rectifs nécessaires avant d utiliser de nouveau le support Une usure prématurée ou des dommages aux composants provoqués par de la quincaillerie manquante ou desserrée ne sont pas admissibles à la considération de garantie GARANTIE DÉPANNAGE PROBLÈME ACTION 1 L unité ne lèvera la charge nominale Purger l air du système hydraulique en suivant la procédure selon...

Reviews: