CONTROL GP-CLEAN GAS INDUCTION 2797188 - Caterpillar

Safety Section
Personal injury or death can result from sudden work tool movement.Sudden movement of the work tool can cause injury to persons near the work tool.To prevent injury or death, make sure that the area around the work tool is clear of personnel and obstructions before operating the work tool.
Required Parts
Table 1
Parts List for 358-8561 Stiff Link Thumb GP    
Item     Qty     Part Number    
(1)     1     137-4234 Identification Plate    
(2)     1     159-8035 Film    
(3)     1     159-8036 Film    
(4)     1     225-6024 Link    
(5)     1     225-6035 Pin    
(6)     2     225-6036 Pin    
(7)     1     236-7797 Base As    
(8)     1     358-8562 Frame As    
(9)     3     6V-7687 Locknut    
(10)     3     6Y-8029 Spring Pin    
(11)     3     8T-4176 Bolt    
Illustration 2 g02122718
Installation Procedure
Illustration 3 g00104545
Prevent the machine from movement. Park the machine on a level surface.Attach a "Do Not Operate" warning tag or a similar warning tag to the start switch or to the controls before you service the equipment or before you repair the equipment. These warning tags (Special Instruction, SEHS7332) are available from your Caterpillar dealer.This procedure will require the use of a suitable lifting device or devices to safely position the parts.
Illustration 4 g02124413
Machine Position (A) 1517 mm (59.72 inch)
Position the machine stick by fully extending the stick cylinder as shown in Illustration 4.
Remove paint from the bottom of the stick in the area shown by dimension (A) in Illustration 4.
Illustration 5 g02123256
Side View (7) 236-7797 Base (B) 127.2 mm (5.00 inch) (W1) 8 mm (0.32 inch) Tacked (4 places)
Positon base as (7) on the machine stick at the mesurement shown. Refer to Illustration 5. Be sure base (7) is centered on the stick.
Tack weld the base plate to the stick using an 8 mm (0.32 inch) fillet weld in four different places.
Illustration 6 g02124995
Thumb in Stored position (7) 236-7797 Base (8) 358-8562 Frame (C) Clearance
Pin thumb Frame (8) onto Base (7) in the stored position. Make certain there is at least 4 mm (0.16 inch) clearance between thumb frame and coupler/bucket when the coupler/bucket is fully curled. See Illustration 6Note: If there is not adequate clearance between thumb assembly and coupler/bucket when fully curled, the position of thumb Base (7) must be adjusted and steps 3 through 5 repeated.
Illustration 7 g02125649
Top View (7) 236-7797 Base (D) 25 mm (1.00 inch) (W2) 8 mm (0.32 inch) Fillet Weld (2 places) (W3) 3 mm (0.12 inch) Surfacing (4 places)
Use E7018 weld rod or equivalent wire for a root pass (W2) along both sides of Base (7). This weld will extend to dimension (D) beyond each end of Base (7). Taper the weld down to a height of (W3) within distance