Strongarm 391SHD Operating Instructions Download Page 3

OPERATING INSTRUCTIONS

1. Operating Instructions
WARNING!

 Ensure that you read, understand and apply the safety instructions and warnings 

before use.

WARNING!

 Ensure that you have familiarized yourself thoroughly with the product and the 

hazards associated with its improper use.
1.1  Before first use of this product, pour a teaspoon of good quality air tool lubricant into the 

hose quick coupler-male, then connect it to air source and turn on the air valve and work for 
3 seconds to evenly distribute lubricant.

1.2  Use the slotted end of the handle to turn the release valve clockwise until it is firmly closed. 
1.3  Apply the emergency brake and use wheel chocks to block all wheels to prevent any 

movement of the vehicle being lifted.

1.4  Place the jack into position and adjust the extension screw as needed.

 

NOTE: Check in your vehicle owner’s manual for the location of recommended lift point.

1.5  Connect the air quick coupler-male into the shop air supply hose quick coupler-female, then 

turn on the air valve.

1.6  Raise the load to desired height, turn off the air valve and immediately 

USE JACK STANDS

 

with adequate capacity to support the load.

1.7  When air source is not available, insert the big end of the handle into the handle bracket, 

pump it manually to raise the load to desired height. Then immediately transfer the load to 
appropriate support devices such as jack stands.

 

WARNING! Be sure all tools and personnel are clear before lowering load.

1.8  When work is done, raise load enough to carefully remove the jack stands. Then 

slowly

 and 

carefully

 lower the load by turning the release valve counterclockwise (use the slotted end 

of the handle) in extremely small increments, then lower the extension screw by turning it 
clockwise as needed and remove the jack.

WARNING! 

Dangerous dynamic shock loads are created by quick opening and closing the 

release valve when the load is being lowered. The resulting overload may cause hydraulic system 
failure which could cause severe personal injury and/or property damage.

!

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Summary of Contents for 391SHD

Page 1: ...injury or property damage PROD NO 030160 MOD NO 391SHD 030160 391SHD Una Marca surewerx com 20 Ton Low Profile Air Hydraulic Bottle Jack Super Heavy Duty Operating Instructions WARNING Read all instructions and safety warnings before operating this equipment Failure to follow the instructions and safety warnings may result in personal injury or property damage ...

Page 2: ...l inspection shall be made before each use of this equipment checking for abnormal conditions such as cracked welds leaks damaged loose or missing parts This equipment shall be removed immediately from service if it is believed to have been subjected to an abnormal or shock load the equipment shall be inspected by a qualified repair facility Owners and or operators should be aware that repair of t...

Page 3: ...ick coupler male into the shop air supply hose quick coupler female then turn on the air valve 1 6 Raise the load to desired height turn off the air valve and immediately USE JACK STANDS with adequate capacity to support the load 1 7 When air source is not available insert the big end of the handle into the handle bracket pump it manually to raise the load to desired height Then immediately transf...

Page 4: ...aulic jack oil to the lower rim of the fill hole purge away air from the hydraulic system as described in 2 3 top off with more hydraulic oil then replace the filler plug 2 5 For best performance and longest life replace the complete jack oil at least once per year With the ram fully lowered remove the oil filler plug lay the jack on its side and drain the oil into a suitable container then fill w...

Page 5: ... 2 23 PCN 391SHD 23 Copper Ring 2 24 PCN 391SHD 24 Pump Core Base 1 25 PCN 391SHD 25 O ring 1 26 PCN 391SHD 26 F4 ring 1 27 PCN 391SHD 27 Pump Core 1 28 PCN 391SHD 28 J Dust ring 1 29 PCN 391SHD 29 R pin 1 30 PCN 391SHD 30 Handle bracket 1 31 PCN 391SHD 31 Pin 3 32 PCN 391SHD 32 Hand press 1 33 PCN 391SHD 33 Pin 2 34 PCN 390SHD 34 Handle 1 1 35 PCN 390SHD 35 Handle 2 1 36 PCN 391SHD 36 Ball 1 37 P...

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