Joyce DCD242 - Manual (Page 4)

4
Never pull the screw to one side to make connection with your structure. Fully extend
the actuator to make sure the load is aligned with the lifting screw.
7. All ComDRIVE® actuators are designed to be mounted with S.A.E. Grade 8 bolts or
equivalent.
8. Torque all mounting bolts in a symmetric pattern to avoid damage to the sleeve.
9. Shaft and coupling guards are the responsibility of the user.
10. Optional limit switches furnished with the actuator are NOT preset and require field
adjustment before use.
Section II
Maintenance
2-1 Lubrication
Jacks
1. ComDRIVE® actuators are lubricated before leaving the factory.
2. For normal operation, jacks should be greased at least once per month. Under
extended use, grease twice monthly or as conditions dictate. Grease thru the fittings
on the jack with hand or power operated equipment. Grease with No. 1 Consistency
Grease. Do not allow jacks to operate without lubrication. It is the responsibility of the
user to maintain sufficient lubrication of the jack and to the lifting screw.
3. The products listed below are recommended by the lubricant manufacturers to meet
the requirements for normal operation. The listing of brand names is solely for the
convenience of users of Joyce equipment and their lubricant suppliers; it does not
constitute any endorsement. Joyce/Dayton assumes no responsibilities for the quality,
performance or availability of any listed products
COMPANY
BRAND NAME
Mobil Grease……………………XHP 461
Shell Oil Company.….…………Retinax HD NLGI 1
Mobil Oil…………………………Mobilith SHC PM 460
4. For operation above 250° F or extreme loading, c onsult the Engineering Department of
Joyce/Dayton Corp.
5. Do not operate jack without lubrication.
6. Total grease capacity by jack type:
Jack
Capacity
Number
of Shots
Approximate
Weight
Jack
Capacity
Number
of Shots
Approximate
Weight
2 ton 13 4.5 oz 15 ton 50 17 oz.
3 ton 13 4.5 oz 20 ton 95 33 oz.
5 ton 26 9 oz 25 ton 140 49 oz.
10 ton 50 17 oz 30 ton 135 47 oz.
Reducers
1. Standard ComDRIVE reducers are lubricated before leaving the factory. The standard
lubrication used in the reducers is AGMA 7 Compounded oil (ISO Grade 460).
2. The products listed below are recommended by the lubricant manufacturers to meet
the requirements for normal operation. The listing of brand names is solely for the
convenience of users of Joyce equipment and their lubricant suppliers; it does not
constitute any endorsement. Joyce/Dayton assumes no responsibilities for the
quality, performance or availability of any listed products.