ATD Tools ATD-7343 Manual

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TROUBLESHOOTING:

CAUTION:Topreventpersonalinjury,allinspection,maintenance,andrepair proceduresmustbeperformedwhen

thejackisfreeofload.



Trouble



Cause



Solution

JackDoesNotLift

1. Releasevalveisopen 1. Verifythereleasevalveis

closed.Releasevalvemay

needcleaning

2. Low/nohydraulicfluidin

reservoir

2. Fillwithapprovedhydraulic

fluidandbleedsystem

3. Airtrappedinhydraulic

system

3. Followthepurgeair

procedure

4. Loadisabovecapacityofjack 4. Usethecorrectequipment

5. Deliveryvalveand/orbypass

valvenotworkingcorrectly

5. Cleantoremovedirtor

foreignobjectsfromthe

system.Replacehydraulic

fluid

6. Sealswornordefective 6. Replaceseals

Jackliftsonlypartially

1. Toomuchornotenough

hydraulicfluid

1. Checkhydraulicfluidlevel

Jackadvancesslowly

1. Pumpnotworkingcorrectly 1. Reworkpump

2.

Sealsleaking

Replaceseals/O‐rings

Jackliftsload,butdoesn't

hold

1. Cylinderpackingisleaking 1. Replacepacking

2. Valvenotworkingcorrectly.

(Suction,delivery,releaseor

bypass)

2. Inspectvalves.Replace if

necessary

3. Airtrappedinhydraulic

system

3. Followthepurgeair

procedure

Jackleakshydraulicfluid 1.

Wornordamagedseals

Replaceseals

Jackwillnotretract

1. Releasevalveisclosed 1. Openthereleasevalveby

turningthehandle

counter‐clockwise(CCW).

Maybenecessarytoclean

releasevalve

NOTE:Shouldyouneedassistancewithrepairs,pleasecontactthehotlineat888‐452‐2526forspecificinstructions.