Wire Rope Pulley Blocks
   
     
Heavy Duty Crane Hook Blocks of Series 321/326 
(Standard Range)
Sheaves
Inspection & Maintenance Instructions
LUBRICATION SCHEDULE : Lubrication frequency under conditions of :
Swivels & swivel balls
Bronze bushed blocks & sheaves
Roller bearing block & sheaves
Continous
operation
24 hours
8 hours
24 hours
Intermittent
operation
14 days
14 days
14 days

Type Lubricant : Either sodium or lithium base greases may be employed. soda soap base greases are more fibrous and cohesive. Lithium soap base greases are excellent especially where excessive moisture is present

 BASIC POLICY ON REPAIR OF WORN OR DAMAGED ITEMS :
If for any reason an iem does not work properly or is worn, and repair is desired, do not attempt to disassemble or repair. Return item prepaid to our Sewree Plant for inspection and estimate of repair cost. (Contact us in advance to discuss specifics, or to obtain factory authorization for field repair, if desired.) If, in user's opinion, condition require reworking of item without returning to factory, or without obtaining factory authorization, such rework or repair will be undertaken entirely at user's risk and cost.