instructions
The following instructions are intended to serve as a guide to the user of multiroll Roller Skids. Roller Skids can be used in a great variety of ways and combinations the recommendations given here represent the basic methods to be used for moving loads with two, three and four Roller Skids
Using 2 Roller Skids
- Loads light enough for manpower movement or loads small enough for two point support.
- Load is mounted on two straight type skids placed at center of gravity. Load may be pushed or pulled at either end. Turning is accomplished by accentuating push into direction desired.
- Motions possible: straight forward, straight back. All turns: including full left or right hand turns.
- Heavier Loads requiring machine power for movement.
- Load is mounted on two straight type skids placed slightly over center of gravity on one side, causing other end to contact floor. This end is picked up by fork truck; fork truck pushes and steers load
- Motions possible: Straight forward. All turns as steered by truck.
- “Straight back” motion is also available, of course, by attaching fork truck to load with rope
- To negotiate difference of floor levels such as may exist when moving in or out of elevators fork lift operators are advised to lower or raise forks to tilt roller skids into appropriate direction
- Lower forks before stepping UP
- Raise forks before stepping DOWN
Using 3 Roller Skids
- Heavy loads requiring machine power for movement. Large loads requiring at least 3 point support.
- The two straight skids are placed parallel at one end of the load while the swivel skid is placed centrally at the other end. If one end of the load is heavier then the other, make sure to support the “heavy” end with the 2 skids, leaving the “lighter” end for the swivel skid.
- Complete set of 2 straight motion and 1 swivel dolly combined together with a triangular frame to provide fast easy moving with no alignment requirements. Reduces set up time.
- Power source may either push or pull at load end supported by the two skids. Single swivel skids is steered by operator with aid of connector and extension pipe, while the load is in motion.
- Motions possible: Straight forward, straight back. Gradual turns as afforded by maximum possible turning motion of single swivel skid.
- Heavy loads requiring machine power for movements. Large loads requiring at least 3 point support. Maximum turning movement required for “spotting” operations.
- All three skids employed are swivel type. Load can be pushed or pulled in any desired direction by swiveling the three swivel type skids in the direction desired with load stationary.
- Motions possible: All motions without exception, including broadside movements.
Using 4 Roller Skids
- Heavy loads requiring machine power for movement. Large loads requiring four point support.
- Load is mounted on four roller skids, 2 being straight type, two swivel type, and it can be pushed or pulled from either end. Swiveling is accomplished while load is stationary.
- Motions possible: Straight forward, straight back – All turns as allowed by turning of swivel type skids into desired direction.
- Heavy loads requiring machine power for movement.
- Large loads requiring four point support.
- Maximum turning movement required for “spotting”
- Load is mounted on four swivel type roller skids. Swiveling is accomplished when load is stationary.
- Motions possible: Straight forward, Straight back and all turns including broadside movements.
Using TL Connector (TL Models Only)
- Bar inserted through Turns and Lock TL connector serves two purposes.
- It furnishes needed leverage to effect turns. This function is identical to length of pipe slipped over the shank of ordinary connector.
- It unlocks the latch of the Turn and Lock turntable. When pushed in direction of dolly the end of the bar exerts pressure on the latch and causes it to open. In this position dolly is free to rotate in relation to turntable. When pressure is not applied, the latch will fall in its appropriate slot and lock turntable.
- This dolly combines the best features of both straight-motion and swivel types. Swivel with lock arrangement permits skid to be turned and then locked for transit in new direction.
Placing Skids
- The multiroll Roller Skids are placed as dictated by the shape of the base of the load. The hardened “teeth” furnished on all types of skids furnish the necessary friction by firmly embedding themselves into the wooden “skidding” which is usually placed under a machine or heavy load prior to moving. When a machine or load is not equipped with wooden skidding, it may be necessary to place temporary timbers underneath the load to provide proper contact with the skids. Thus, metal to metal contact is avoided; the timbers will prevent any damage to the base of the load and, at the same time, absorb harmful shocks while the load is in transit.
- No cumbersome or expensive construction is needed to provide these “temporary timbers”. In most instances, short pieces of planking - just long enough to cover the surface of the skids – will suffice. However, appropriate care should be taken to prevent the load from sliding on these planks. An easy and effective way to accomplish this is to nail chocks to planking at convenient places.
- In some instances, most often when identical loads are to be moved frequently, users mat find it expedient to forego the advantages offered by the gripping teeth; instead, a firm and permanent contact between roller skids and the load is secured by a special adaptor. These adaptors can be made an integral part of either the load or the skid, which-ever is more practical. Such adaptors can be designed and manufactured by the users or by the manufacturers of roller skids. In either case will such adaptors be bolted easily to the roller skids as the gripping teeth are screwed in to the top plate and, therefore, can be removed without difficulty.
Lifting the Load
- To lift the load onto roller skids any available lifting mechanism may be used. Place skids one end at a time. Because of low loading height it is perfectly safe to lift load at one end and slide a unit underneath. Repeat this operation until all roller skids are in place.
Parallel Alignment of Units
- In order to obtain easiest motion when moving in any one direction, it is extremely important to maintain parallelism between units. Straight type skids will remain parallel after having been placed in this position. Swivel type skids, however, may occasionally go out of parallel due to floor roughness. Therefore, they should be checked during load movement and – whenever necessary – realigned with the aid of the turning handle connector. TL models, once aligned, will remain so during entire track of straight haul. No realignment necessary.
Power Required to Push or Pull Load
- Per each ton of load 60 lbs. of active power are required to pull or push load on steel floors and 100 lbs. on other floors. These figures apply regardless of the number of roller skids used. They contain generous allowances for adverse floor conditions including cracks, joints, dirt or other obstacles. They apply to level floors only and exclude ramps or inclines. Always push or pull smoothly, applying power to the lowest possible point of load.
Power Required to Swivel Stationary Roller Skid Beneath Load
- On steel floor, 12½ lbs. are required for each 1000lbs. of load provided a 6′ extension is used with the turning handle connector. On another floor, the power required under the same conditions, will be 20½ lbs. per each 1000 lbs. Load, in this instance, means load per skid. For example: A load of 8 tons is supported by 4 roller skids, each carrying 4000 lbs. In order to swivel any of these skids on a concrete floor 82 lbs. of power is needed, whereas, on a steel floor, 50 lbs. would suffice.
Maintenance
- Clean with kerosene, or any other convenient solvent. Lubricate roller chain with light machine oil. Lubricate turntable with grease.
Optional Accessories:
- Optional accessories include a T-Bar handle for increased pushing lever-age, tandem connectors that connect two skids together for increased capacity & stability and rubber pads to protect sensitive loads from damage.
General Instructions:
- The multiroll Roller skids are designed to move heavy loads under a great variety of conditions, including various kinds and capacities of floors, type of power to be applied, and course to be followed. Roller skids are tools, not vehicles, and must be used as tools. We list here additional facts and recommendations as to their overall use.
Types:
- The multiroll mark series is produced in seven basic models, with each unit’s capacity dependent upon size and wheel type. The junior model was designed as the light equipment workhorse and features 3 steel rollers. The 1 has one roller and is light and compact for easier transport. The 2 offers 2 rollers for greater stability. The 3 features 3 rollers to bear heavier loads. The 4 & 5 are equipped with steel roller chains instead of rollers, to move extremely heavy loads. In contrast, the 6 is fitted with 6 polyurethane or steel capable of handling fairly heavy loads.
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Rollers:
- The multiroll mark series offers several different roller materials to suit all application types. The 1,2,3 and 6 are available with nylon or steel rollers depending upon desired capacity. Each roller uses two shield-ed bearings to prevent failure and prolong service life. The 4 & 5 models feature continuous steel chain rollers. A 4 has 12 rollers, while the wider framed 5 has 14 rollers for a more favorable distribution of weight.
- Models using nylon rollers reduce possible floor damage and rolling effort and allow for quieter operation.
Roller Top Plates:
- Each type of roller skid is available with 3 different, spiked top surface to best fit your individual application. The straight Top is flat, non-movable surface. The Swivel Top allows the roller to be turned in a different direction while in motion. The Swivel-Lock Top permits the roller to be release catch. * Junior version unavailable in Swivel-Lock Version.
Capacities:
- Our wide selection of model types allows a limitless range of capacities for all applications. Single unit capacities range from ¾ of a ton on the Junior model, to 15 tons on the 5. Combined capacities (4 – individual skids evenly distributed under a load) range from 3 to 60 tons.
- Tests conducted by independent research organizations have shown that under static conditions each roller skid will withstand a load of 55 tons. Correspondingly, 35 tons have been determined to be the static safe-load for roller skids. However roller skids are moving tools rather than structural supports of heavy weights; therefore, these static capacities must not be applied under actual working conditions. For example: a load weighing 220 tons may be rested on four roller skids without doing any damage to the skids. Yet it would be unwise to try to move that load on the four skids.
Here is Why:
- The relatively small size of roller skids will cause a high concentration of weight on a small floor area. As a result, permissible floor loads will be exceeded by far, unless the floor is exceptionally strong.
- To move such excessive weights tremendous friction will have to be overcome. It is quite doubtful whether sufficient power is available in the average plant.
- Unless the floor is absolutely level and smooth an equal distribution of weight among the four roller skids cannot be maintained throughout the move. Even a slight incline will cause one or two of the units to carry a greater share of the load than the others and thus result in a substantial overload of the one or two units concerned.
- The condition described above is aggravated when a unit rolls over an obstacle. There is has to contend with considerable differences in height and is, at the same time subjected to a multitude of shocks and stresses, i.e. a condition under which starting loads become multiplied. If such obstacles become more serious (expansion joints, small objects on the floor such as nuts, bolts, etc.) it is by no means unusual that only a part of the unit perhaps one or two rollers-maintain contact with the floor. Under such conditions the over loading becomes even more pronounced and breakdowns are inevitable.
- As it becomes evident that static capacities are not applicable it becomes equally clear that realistic dynamic capacities cannot be established either. These are many variable conditions such as permissible floor load per square inch, type of floor, surface resilience, speed of movement, type of active power that must be considered before arriving at a satisfactory conclusion. Therefore, we shall not use the term “capacity”. Instead, we use “Recommended maximum loads”.
- *Average Conditions include: a normal factory floor (concrete, wood block, or brick); average ramps or inclines; moving speed up to 4 m.p.h.; all turns (including sharp turns) at moving speed.
- **Favorable Conditions include: good factory floors (concrete or wood block); weak floor spots to be reinforced by steel plate; very slight inclines only; clean path of move; moving speed up to 3 m.p.h.; ordinary turns at 2 m.p.h. sharp turns at less than 1 m.p.h. or when load is stationary.
- ***Ideal Conditions include: steel floors or channel tracks throughout the move; level moving path; spotlessly clean path; gradual moving speed (no jerking) up to 2 m.p.h.; turns only while load is stationary.
NOTE: When choosing between units user will do well to be guided by the following factors in addition to the maximum load recommendations list below.
- If floors are weak or comparatively soft the Mark 5S or Mark5 TL series will perform more satisfactorily. These units have 14 rollers whereas the Mark 4 series has 12. Also, individual rollers of the Mark 5, 5S and TL5 are 21% longer then those of the Mark 4 series. Thus loads on Mark 5, 5S and TL5 are spread over a wide area which makes for better performance.
- If loads are to be moved over “improved” rail crossing always use Mark 5, 5S or TL5 skids. Series skids may get “stuck” unless crossing is approached at a favorable angle.
Conditions:
- Average Conditions Include: Concrete, wood block or brick in fair condition.
- Favorable Conditions Include: Floors in good condition, mostly level, with no gaps or imperfections. Very slight incline with clear path of movement.
| Model No. |
No. of Skids Under Load |
*Average Conditions |
**Favorable Conditions |
***Ideal Conditions |
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3 |
7500 lbs. |
7500 lbs. |
7500 lbs. |
| |
4 |
10000 lbs. |
10000 lbs. |
10000 lbs. |
| |
2 |
10000 lbs. |
10000 lbs. |
10000 lbs. |
| |
4 |
20000 lbs. |
20000 lbs. |
20000 lbs. |
| |
3 |
7500 lbs. |
7500 lbs. |
7500 lbs. |
| |
3 |
15000 lbs. |
15000 lbs. |
15000 lbs. |
| |
2 |
3000 lbs. |
3000 lbs. |
3000 lbs. |
| |
4 |
6000 lbs. |
6000 lbs. |
6000 lbs. |
| |
2 |
20T |
25T |
28T |
| |
3 |
30T |
37T |
42T |
| |
4 |
40T |
50T |
55T |
| |
2 |
30T |
37T |
40T |
| |
3 |
40T |
48T |
55T |
| |
4 |
60T |
75T |
80T |
| |
2 |
125T |
175T |
200T |
| |
3 |
190T |
260T |
300T |
| |
4 |
250T |
350T |
400T |
FREIGHT:
- Shipments are sent freight collect or prepaid F.O.B. Elk Grove Village, Illinois 60007 multiroll unless specified otherwise.
- Air freight shipments carry a $25.00 surcharge except for UPS shipments and shipments made to US Government installations.
- Same day shipments carry a $50.00 premium charge.
- There is no extra charge for a 3rd Party billing of freight charges.
- Drop shipments carry no penalty or surcharges if they are shipped freight collect.
RETURNS / RESTOCKS / REPAIR:
- All products are subject to a 20% restocking charge, to be calculated from the amount on the original invoice, unless a replacement order of greater value is received.
- On all restocks, freight must be prepaid to Elk Grove Village, Illinois 60007.
- multiroll reserves the right to refuse collect shipments.
- Return Goods Authorization (RGA) form secured from multiroll must accompany all shipments to be restocked or returned for repair. No repair or return will be accepted without prior written factory authorization.
- If a return shipment is not accompanied with the RGA Form, a $50 surcharge will apply to repair costs or the restocking charge.
- All original invoice numbers and purchase order numbers covering product to be restocked must be shown on the RGA form that accompanies the shipment.
- Only new and unused multiroll products can be accepted for restock. Products may be subject to reconditioning charges.
- Credit issued for restocks is in the form of a merchandise credit and only may apply toward future purchase of any multiroll product.
- Under multiroll Repair Program, it is possible to repair old, used, abused, or damaged chain-action rollers to a “like new” condition. In these cases, multiroll will re-warranty the rollers with a full one-year warranty.
- All pricing in U.S. dollars
- Accounts must be approved by multiroll Accounting Department before they are eligible for shipment.
TERMS:
- Credit Terms are Net 30.
- In consideration of open account terms multiroll with applicant agrees to all terms and conditions as set forth in multiroll credit application agreement.
- multiroll reserves the right to withdraw credit privileges at any time. If account is not paid within terms.
- multiroll has the option of placing the account on credit hold or closing the account.
multiroll Accepts MC, VISA, & AMEX
Prices are subject to change without notice
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