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Service
Manual

80D/100D/110D - MS

Limited Free Lift 2-Stage Mast

Manual Part Number 253274 R3

Lift Technologies, Inc. 2013

Содержание 100D-MS

Страница 1: ...Service Manual 80D 100D 110D MS Limited Free Lift 2 Stage Mast Manual Part Number 253274 R3 Lift Technologies Inc 2013...

Страница 2: ......

Страница 3: ...Contents Cover Page 1 Section 1Introduction 4 Section 2 Installation Instructions 5 Section 3 Periodic Maintenance 10 Section 4 Troubleshooting 11 Section 5 Service 12...

Страница 4: ...operation shall not be performed without prior written approval from Lift Technologies per ANSI B56 1 1 1 Special Definitions WARNING WARNING 1 2 Introduction A statement preceded by is information t...

Страница 5: ...c MIL 0 5606 or MIL 0 2104 B only Use of synthetic or aqueous base hydraulic oil is not recommended If fire resistant hydraulic oil must be used contact Lift Tek Mounting Bracket Installation 2 2 1 If...

Страница 6: ...to the truck manufacturer s torque specifications IMPORTANT Prior to connecting the tilt cylinders to the mast make sure the cylinders bottom evenly Adjust the tilt cylinders to prevent the mast from...

Страница 7: ...operation To determine equal tension extend the unloaded mast to put the chains under tension Press the center of a strand of chain with your thumb then press at the same place on the other chain of t...

Страница 8: ...Page 8 253273 R3 Mast Skewing Cylinder Bleeding 2 4 4 Section 2 Installation Instructions 2 4 5 SEE SECTION 5 2 11 SEE SECTION 5 5 6...

Страница 9: ...wn to the middle crossmember Attach the hoses to the bracket fittings Leave the fittings loose on the bracket Pull down on the hoses to remove slack Attach the bracket to the front side of the crossme...

Страница 10: ...lubrication 4 Make sure the internal reeving hoses if equipped travel evenly in the hose guides Adjust the hose ends if re quired Tighten the fittings making sure they do not twist 5 In applications w...

Страница 11: ...cessary b Truck valve defective cycle to full b Repair or replace truck valve lift height to verify c External leaks at retainer c Replace all cylinder seals d Piston check valve leaking d Replace che...

Страница 12: ...ttach overhead hoist with lifting strap routed under all upper crossmembers Take up slack in the chain 4 Disconnect the tilt cylinders from the mast anchor brackets For reassembly tighten the pin caps...

Страница 13: ...e hy draulic seal against the rod The retainer also limits the upward stroke of the rod A piston is attached to the bottom end of the rod The piston seal provides a high pressure hydraulic seal agains...

Страница 14: ...nst the rod The retainer also limits the upward stroke of the rod A piston is attached to the bottom end of the rod The piston seal provides a high pressure hydraulic seal against the shell that engag...

Страница 15: ...of the truck valve Cylinders Lowering 1 When the truck hoist control valve is actuated the main lift then free lift cylinder rods lower forcing oil out through the hydraulic fuse cushion valves NOTE...

Страница 16: ...e cylinder ports and install plug fittings NOTE Each fitting holds a compressed spring in place 4 Remove the snap rings fastening the cylinder rods to the inner upright 5 Pull the inner upright outwar...

Страница 17: ...10 6 Replace the retainer and piston seals back up rings O rings and bearing Lubricate the new seals with petroleum jelly prior to installation Note the correct seal directions The cylinder will not...

Страница 18: ...e free lift cylinder and con tinue to extend the main lift cylinders to 90 of full stroke Retract all cylinders completely Repeat three times 2 Extend the cylinders without a load at 50 full engine sp...

Страница 19: ...n eight roller carriage only the middle four rollers are shim adjustable whereas the top and bottom rollers are not shim adjustable and are held in place by a retainer plate The rollers are held in th...

Страница 20: ...Disconnect the internal reeving hoses from the carriage fittings if equipped Plug the hose ends 5 Using the overhead hoist lower the carriage to the bottom of the mast to remove 6 Note the number of s...

Страница 21: ...rs to the carriage Remove the chain anchors Disconnect the internal reeving bulkhead fittings from the carriage if equipped Cap the fitting ends Remove the top side thrust rollers from the carriage Fo...

Страница 22: ...r cracks should be re placed 2 Inspect the roller bearings by turning the rollers on their shafts Rollers with roughness or noticeable restrictions to turning should be replaced 3 Inspect all welds be...

Страница 23: ...step 2 Install the top carriage side thrust rollers Adjust the carriage side thrust rollers for unrestricted clearance along the travel of the carriage The rollers have eccentric mount bases Note A co...

Страница 24: ...f shim adjustable load rollers are attached to stub shafts located near the top of the upright A pair of adjustable hoist chain anchors are located in the top crossmember Inner Upright Assembly The in...

Страница 25: ...y Lowered The hoist chains are anchored to the outer upright top crossmember The chains travel over the inner upright chain sheaves and attach to the carriage anchors Extension Activating the truck ho...

Страница 26: ...he inner out the top of the outer upright Upright Disassembly 5 5 3 Inspect load rollers for excessive wear or damage Rollers with visible flat spots or cracks should be replace Inspect the load rolle...

Страница 27: ...e to side clearance of no looser than 1 16 in 1 5 mm at the tightest point throughout the travel of the upright Use an equal number of shims side to side Note Roll the inner upright past the thrust pl...

Страница 28: ...2in 5 X 5 cm angle iron between the top of the main lift cylinder and the crossmember See Figure 40 Lower the crossmember onto the angle iron Avoid contacting the cylinder rod seal Install shim s par...

Страница 29: ...hains requires replacement both strands of the pair should be replaced Check for rust and corrosion Check for cracked side plates If you find cracked side plates replace both strands of chain Check fo...

Страница 30: ...n lift chains should be adjusted so that when the unloaded mast is fully lowered the uprights are positioned as shown in figure 38 1 Adjust one chain to achieve the correct upright position when fully...

Страница 31: ...age 19 Add six roller note to item 2 on page 23 R3 02 27 14 Revise TOC Add paragragh for reestablishing chain lubrication to pages 7 Misc grammer corrections and add item 5 to section 3 1 1 change oil...

Страница 32: ...Technologies Locations LiftTechnologiesInc 06 2013 www lift tek com Lift Technologies Inc 7040 South Highway 11 Westminster SC 29693 USA Tel 864 647 1119 Fax 864 647 5406 Toll Free 888 946 3330 North...

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