953C Track-Type Loader Hydraulic System Bucket Control Group Caterpillar


Bucket Control Group
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953C Track-Type Loader Hydraulic System [RENR5650]
IMPLEMENTS
CONTROL GP
953C Track-Type Loader Hydraulic System Bucket Control Group
1.1. Installation Procedure for Pin Assemblies



Illustration 1g00998986

Table 1
Linkage Pins    
Pin Number     Pin Location     Pin Diameter     Pin Length     Part Number of Assembly     Part Number of Pin    
(1)     Lift arms to main frame    
76.18 ± 0.02 mm (2.999 ± 0.001 inch)    

282.0 ± 1.5 mm (11.10 ± 0.06 inch)    
8G-1096     7P-3469    
(2)     Tilt cylinder to main frame    
82.53 mm (3.249 inch)    

203.0 ± 3.0 mm (7.99 ± 0.12 inch)    
232-1702     232-1701    
(3)     Tilt cylinder to lever    
82.53 mm (3.249 inch)    

249.0 ± 1.5 mm (9.80 ± 0.06 inch)    
8G-1099     7P-3476    
(4)     Lever to lift arms    
101.575 mm (3.9990 inch)    

341.0 ± 3.0 mm (13.43 ± 0.12 inch)    
7P-3467     7P-3468    
(5)     Lift cylinder to main frame    
63.48 mm (2.499 inch)    

236.0 ± 1.5 mm (9.29 ± 0.06 inch)    
8G-1097     7P-3471    
(6)     Lift cylinder to lift arms    
63.48 mm (2.499 inch)    

169.0 ± 1.5 mm (6.655 ± 0.06 inch)    
8G-1098     7P-3470    
(7)     Lever to link    
69.83 mm (2.749 inch)    

249.0 ± 1.5 mm (9.80 ± 0.06 inch)    
8G-1105     7P-3473    
(8)     Link to bucket    
69.83 mm (2.749 inch)    

224.0 ± 3.0 mm (8.82 ± 0.12 inch)    
8G-8331     8G-8332    
(9)     Lift arms to bucket    
57.112 mm (2.2485 inch)    

258.0 ± 3.0 mm (10.16 ± 0.12 inch)    
8G-4027     8G-4028    

Table 2
Linkage Bearings    
Number for Bearing     Location of Bearing     Inside Diameter before Assembly     Depth at Assembly     Part Number    
(10)     Lift arms    
76.481 ± 0.020 mm (3.0111 ± 0.0008 inch)    

10.0 ± 0.069 mm (0.39 ± 0.0027 inch)    
7P-3453    
(11)     Head end of tilt cylinder    
82.84 ± 0.020 mm (3.261 ± 0.001 inch)    

8.4 ± 3.0 mm (0.33 ± 0.12 inch)    
3G-5111    
(12)     Rod end of tilt cylinder    
82.84 ± 0.020 mm (3.261 ± 0.001 inch)    

8.4 ± 3.0 mm (0.33 ± 0.12 inch)    
3G-5111    
(13)     Lever    
101.91 ± 0.020 mm (4.012 ± 0.001 inch)    

10.0 ± 1.0 mm (0.39 ± 0.04 inch)    
7P-3463    
(14)     Head end of lift cylinder    
63.77 ± 0.020 mm (2.511 ± 0.001 inch)    

9.4 ± 0.5 mm (0.37 ± 0.02 inch)    
1U-0563    
(15)     Lift arms    
63.741 ± 0.020 mm (2.5095 ± 0.0008 inch)    

10.0 ± 1.0 mm (0.39 ± 0.04 inch)    
7P-3454    
(16)     Link    
70.102 ± 0.020 mm (2.7599 ± 0.0008 inch)    

10.0 ± 1.0 mm (0.39 ± 0.04 inch)    
7P-3466    
(17)     Link    
70.102 ± 0.020 mm (2.7599 ± 0.0008 inch)    

10.0 ± 1.0 mm (0.39 ± 0.04 inch)    
7P-3466    
(18)     Lift arms (inside diameter of sleeve bearing)    
57.379 ± 0.020 mm (2.2590 ± 0.0008 inch)    

9.0 ± 1.0 mm (0.35 ± 0.04 inch)    
8G-4022    
Lift arms (outside diameter of sleeve bearing)
69.895 ± 0.013 mm (2.7518 ± 0.0005 inch)    

Note: Put lubricant on the lip of all seals. Apply lubricant from the 5P-0960 Grease Cartridge onto all pin bores (lift cylinders, tilt cylinders, bucket and frame).

Installation Procedure for Pin Assemblies

  1. Clean the bores for all pin assemblies.

  1. Install pin assemblies through the lift arm assembly and the bucket.

  1. Install a minimum of one washer on each side of arm. Install additional washers in order to achieve a maximum clearance of 1.8 mm (0.071 inch).

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