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10

3.  See the D-Ring Hitch Attachment Load Capacities 

table to confirm the weight does not exceed your lift 

capacity.

IMPORTANT

AVOID DAMAGE!

Use straps or chains with high enough rated capacity 

to lift the load.

4.  Secure the load to the D-Ring with straps or chains.

5.  Raise the load, taking care not to exceed the maxi-

mum boom length or 70-degree operating angle as 
shown.

Operation

1.  Follow the instructions in the Installing and Remov-

ing section to install the attachment.

2.  Park the loader. (See Parking Safely in this manual.)

3.  Install the secondary attachment (See Installing the 

Secondary Attachments).

4.  Perform the pre-operation inspection.

Adjusting the Boom Length

1.  Turn to unlock the sping pin assembly (A) and slide 

out the manual extension tube (B) if needed. 

2.  Position the nearest hole in the manual extension 

tube to lock the spring pin assembly into place to 
secure the manual extension tube. 

3.  Use the loader hydraulic controls to extend the 

primary (C) and secondary (D) extension tubes as 
needed.

Using  the  Secondary  D-Ring  Hitch  Attach

-

ment

1.  Install the D-Ring Hitch Attachment (See Installing 

the Secondary Attachments). 

2. 

Confirm the weight of the load you intend to lift.

Operating

D-Ring Hitch Attachment Load Capacities

Loader Rated Operating Capacity

2000

2500

3000

4000

Maximum Load with Boom Horizontal and Collapsed

870 lbs

1180 lbs

1490 lbs

1900 lbs

Maximum Load with Boom Horizontal and Fully Extended

280 lbs

410 lbs

540 lbs

727 lbs

Maximum Load, Boom at 70-degree Operating Angle and Collapsed

2000 lbs

2500 lbs

3000 lbs

3975 lbs

Maximum Load, Boom at 70-degree Operating Angle and Fully Extended

975 lbs

1290 lbs

1600 lbs

2040 lbs

70

0

Summary of Contents for 14592

Page 1: ...OPERATOR S MANUAL TELESCOPING BOOM Model TB8X21 Serial Number 14592 Manual 96337 AUG 2020 ENGLISH COPYRIGHT 2020 MESSER REPAIR AND FABRICATING LLC SAUK CENTRE MN PRINTED IN USA ALL RIGHTS RESERVED...

Page 2: ...s operator s manual if you sell or transfer ownership of the attachment Contact Messer Repair and Fabricating LLC for a printed manual or find a downloadable manual on our website Using This Attachmen...

Page 3: ...ng Boom Model TB8X21 Serial Number 14592 Serial Number Location Purchase Date Dealer Dealer Phone Model Serial Product Identification and Specifications Model TB8X21 Overall Width x Height 1 2 x 0 5 m...

Page 4: ...CLEAR WHILE IN OPERATION WARNING DECAL 96117 HIGH PRESSURE FLUID HAZARD To prevent serious injury or death Relieve pressure on system before repairing adjust ing or disconnecting Wear proper hand and...

Page 5: ...attachment to be sure all hardware bolts nuts etc is installed and tightened Before operating thoroughly inspect the attachment to be sure it is in working order If the attachment is damaged or other...

Page 6: ...ng mechanism when inspecting or servicing the attachment Hydraulic Fluid Safety Read and understand the hydraulic safety informa tion in the loader operator s manual before operating or servicing the...

Page 7: ...ler lines 4 Stop the loader engine WARNING AVOID INJURY Hydraulic couplers may become hot during operation Avoid burns by wearing gloves when disconnecting hydraulic couplers 7 Move the loader attachi...

Page 8: ...ich are operated manually may have spring tensioning Firmly grasp the levers and move the levers slowly 7 Move the loader attaching plate levers F to the unlocked up position as shown either manually...

Page 9: ...the attachment is damaged or not in working order do not operate until it has been repaired by a qualified technician Theory of Operation The Telescoping Boom hydraulic hoses are connected to the load...

Page 10: ...e manual extension tube B if needed 2 Position the nearest hole in the manual extension tube to lock the spring pin assembly into place to secure the manual extension tube 3 Use the loader hydraulic c...

Page 11: ...shown for fixed operation or in the rear hole B for floating operation 3 If you need to adjust the boom length to include ex tending the manual extension tube adjust the boom length 4 Raise the telesc...

Page 12: ...loader 4 Lubricate the two grease fittings A until grease appears in the joints Servicing the Plastic Wear Flats Four plastic wear flats A are bolted to the inside surfac es at the ends of the main fr...

Page 13: ...ry ex tension tube and connect the top hydraulic cylinder Replacing the Wear Flats Main Frame Assembly Tube 1 Follow the Replacing the Wear Flats Primary Ex tension Tube instructions to remove the sec...

Page 14: ...50 in Routed from cylinder base end to T C 96287 1 4 x 134 in Routed from cylinder pin end through hose carrier to T D 96288 1 4 x 146 in Routed from cylinder base end through hose carrier to T E 962...

Page 15: ...mps Replacing the Bottom Cylinder 1 Remove the four bolts A and washers attaching the Replacing the Hydraulic Hoses 1 Fully collapse the boom and park the loader See Parking Safely in this manual WARN...

Page 16: ...cylinder with the bolt nut and cylin der pin weldment 6 Install the fittings and hoses to the cylinder 7 Install tie straps to secure the hoses to the cylinder Servicing Troubleshooting Cause Action...

Page 17: ...17 Replacement Parts...

Page 18: ...389 Tube Manual Extension 10 4 09703 Trunnion Mount 11 2 Bolt 1 2 x 1 25 12 2 09269 Cylinder Pin Weldment 13 1 Nut 1 2 14 1 09422 Spring Pin Assembly 15 1 96237 Hitch Pin 5 8 with Clip 2 96231 Hose Ca...

Page 19: ...1 2 Dia 9 16 Part not shown Replacement Parts Item Qty Part Number Part Description 1 1 10958 P Pivoting Arm 2 1 10960 Rubber Blade Double Sided 10 in 3 2 10969 P Bolt On Sides 4 1 10953 P Base Tube...

Page 20: ...ATIONS INCLUDING ALL WARRANTIES OF MERCHANTABILITY OF FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE EXPRESSED OR IMPLIED IN FACT OR BY LAW AND STATE MESSER S ENTIRE AND EXCLUSIVE LIABILITYAND PURCHASE...

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