CROSBY SWIVELING OVERHAUL
BALL INSPECTION

      

 FREQUENT VISUAL INSPECTION BEFORE EACH SHIFT AND PERIODIC INSPECTION AT LEAST ANNUALLY     

(QUARTERLY AND MONTHLY IN HEAVY OR SEVERE USE)

 BY:

DATE:

SITE:

SIZE:
OVERHAUL
BALL
LOCATION,
EQUIPMENT,
OR I.D.		 BASIC
INSPECTION
SEE CODE
BELOW		 LINK
PLATES		 BOLTS, NUTS,
SLEEVES		 BALL HOOK SWIVEL OTHER
POINTS
DETERMINED
BY USER
BASED ON
APPLICATION

             

             

             

             

             
BASIC INSPECTION CODE
AA CRACKING OR IMPACT DAMAGE
AB MODIFICATION SUCH AS WELDING OR CUTTING
AC SUBSTITUTION OF PARTS
AD RESTRICTED MOVEMENT OF SWIVEL
AE EXCESSIVE WEAR
AG EXCESSIVE DEFORMATION

FOR OVERHAUL BALL CAPACITIES LESS 
THAN 12 TONS
THERE ARE NO MACHINED SURFACES.  THE 
SWIVEL TO END FITTING CLEARANCES 
SHOULD BE CHECKED AND IF FOUND TO 
EXCEED .180", THE SWIVEL SHOULD BE 
REMOVED FROM SERVICE.  REPLACE 
SWIVEL DO NOT DISASSEMBLE.

FOR OVERHAUL BALL CAPACITIES 12 
TONS AND LARGER
THERE ARE MACHINED SURFACES.  THE 
SWIVEL TO END FITTING CLEARANCES 
SHOULD BE CHECKED AND IF FOUND TO 
EXCEED .125" TO .180", THE SWIVEL SHOULD 
BE REMOVED FROM SERVICE.		 BASIC LUBRICATION REQUIREMENTS
PRESSURE LUBRICATION FITTINGS
ARE PROVIDED ON ALL SIZES.  USE 
A LITHIUM BASED GREASE OF MEDIUM 
CONSISTENCY.

THE FREQUENCY OF LUBRICATION DEPENDS 
ON FREQUENCY AND PERIODS OF USE, 
ENVIRONMENTAL CONDITIONS, AND THE 
USER'S GOOD JUDGMENT.

AS A MINIMUM LUBRICATION SCHEDULE 
SHOULD INCLUDE:
EVERY 14 DAYS FOR FREQUENT SWIVELING
EVERY 45 DAYS FOR INFREQUENT SWIVELING

EXCESSIVE WEAR IS CAUSE FOR REMOVAL 
FROM SERVICE, DO NOT ALLOW MORE THAN:
5% WEAR IN CRITICAL AREA OF HOOK
10% WEAR IN OTHER AREAS OF HOOK
10% WEAR IN OTHER DIMENSIONS, INCLUDING 
JAW AND EYE

(Sample Inspection Form #8)  The user must edit as needed.