416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Caterpillar


Backhoe Linkage Control Group

Usage:

Linkage Pins And Washers

Tolerance for all pin diameters ... + 0.00 - 0.05 mm (+ .000 - .002 in)

Equally place washers on either side of pin joint.

(1) Pin from link to cylinder

Diameter ... 45.000 mm (1.7717 in)

Length ... 269 mm (10.6 in)

Total joint clearance (maximum) ... 3.0 mm (.12 in)

(2) Pin from stick to bucket

Diameter ... 50.000 mm (1.9685 in)

Length ... 420 mm (16.5 in)

Total joint clearance (maximum) ... 2.0 mm (.08 in)

(3) Pin from guide to stick

Diameter ... 45.000 mm (1.7717 in)

Length ... 269 mm (10.6 in)

Total joint clearance (maximum) ... 3.0 mm (.12 in)

(4) Pin from cylinder to boom

Diameter ... 50.000 mm (1.9685 in)

Length ... 342 mm (13.5 in)

(5) Pin from bucket cylinder to stick

Diameter ... 45.000 mm (1.7717 in)

Length ... 212 mm (8.3 in)

(6) Pin from stick to boom

Diameter ... 55.000 mm (2.1654 in)

Length ... 274 mm (10.8 in)

Total joint clearance (maximum) ... 1.0 mm (.03 in)

(7) Pin from stick to stick cylinder

Diameter ... 45.000 mm (1.7717 in)

Length ... 212 mm (8.3 in)

(8) Pin from boom to stick cylinder

Diameter ... 45.000 mm (1.7717 in)

Length ... 134.0 mm (5.28 in)

(9) Pin from swing frame to boom cylinders

Diameter ... 45.000 mm (1.7717 in)

Length ... 100 mm (3.9 in)

Total joint clearance (maximum ... 3.0 mm (.12 in)

(Locate washers on outside of swing frame only)

(10) Pin from swing frame to frame

Diameter ... 55.000 mm (2.1654 in)

Length ... 120 mm (4.7 in)

Total joint clearance (maximum) ... 3.0 mm (.12 in)

(11) Pin from link to bucket

Diameter ... 45.000 mm (1.7717 in)

Length ... 357 mm (14.1 in)

Total joint clearance (maximum) ... 3.0 mm (.12 in)

(12) Pin from stabilizer cylinder to frame

Diameter ... 40.000 mm (1.5748 in)

Length ... 185 mm (7.3 in)

Total joint clearance (maximum) ... 3.0 mm (.12 in)

(13) Pin from stabilizer to frame

Diameter ... 45.000 mm (1.7717 in)

Length ... 311 mm (12.2 in)

Total joint clearance (maximum) ... 3.0 mm (.12 in)

(14) Pin from swing frame to boom

Diameter ... 55.000 mm (2.1654 in)

Length ... 412 mm (16.2 in)

Total joint clearance (maximum) ... 1.0 mm (.03 in)

(15) Pin from swing to swing cylinder (RH)

Diameter ... 39.985 mm (1.5742 in)

Length ... 206 mm (8.1 in)

Pin from swing to swing cylinder (LH)

Diameter ... 39.985 mm (1.5742 in)

Length ... 214 mm (8.4 in)

(16) Pin from stabilizer to pad

Diameter ... 45.000 mm (1.7717 in)

Length ... 342 mm (13.5 in)

Total joint clearance (maximum) ... 3.0 mm (.12 in)

(17) Pin from stabilizer cylinder to stabilizer

Diameter ... 40.000 mm (1.5748 in)

Length ... 224 mm (8.8 in)

Total joint clearance (maximum) ... 3.0 mm (.12 in)

(18) Pin from swing to loader frame

Diameter ... 65.00 mm (2.559 in)

Length ... 155 mm (6.1 in)

Linkage Bearings

Tolerance for all bearing inside diameters ... ±0.020 mm (±.008 in)

Tolerance for all bearing widths ... ±0.5 mm (±.020 in)

(1) Link bearing

Inside diameter after assembly ... 45.295 mm (1.7833 in)

Bearing width ... 40.0 mm (1.57 in)

Bucket cylinder bearing

Inside diameter after assembly ... 45.295 mm (1.7833 in)

Bearing width ... 18.0 mm (.71 in)

Guide bearing

Inside diameter after assembly ... 45.295 mm (1.7833 in)

Bearing width ... 40.0 mm (1.57 in)

(2) Stick to bucket bearing

Inside diameter after assembly ... 50.302 mm (1.9804 in)

Bearing width ... 40.0 mm (1.57 in)

(3) Guide bearing

Inside diameter after assembly ... 45.295 mm (1.7833 in)

Bearing width ... 18.0 mm (.71 in)

(4) Boom bearing

Inside diameter after assembly ... 50.302 mm (1.9804 in)

Bearing width ... 40.0 mm (1.57 in)

(5) Stick bearing

Inside diameter after assembly ... 45.295 mm (1.7833 in)

Bearing width ... 50.0 mm (1.97 in)

Bucket cylinder bearing

Inside diameter after assembly ... 45.295 mm (1.7833 in)

Bearing width ... 18.0 mm (71 in)

(6) Stick bearing

Inside diameter after assembly ... 55.309 mm (2.1775 in)

Bearing width ... 38.0 mm (1.50 in)

Boom bearing

Inside diameter after assembly ... 55.207 mm (2.1735 in)

Bearing width ... 55.0 mm (2.17 in)

(7) Stick cylinder bearing

Inside diameter after assembly ... 45.295 mm (1.7833 in)

Bearing width ... 24.0 mm (.94 in)

(8) Boom bearing

Inside diameter after assembly ... 45.295 mm (1.7833 in)

Bearing width ... 24.0 mm (.94 in)

(9) Swing bearing

Inside diameter after assembly ... 45.295 mm (1.7833 in)

Bearing width ... 34.0 mm (1.34 in)

(10) Swing bearing

Inside diameter after assembly ... 55.309 mm (2.1775 in)

Bearing width ... 25.0 mm (.98 in)

Loader frame (upper plate) bearing

Inside diameter after assembly ... 55.309 mm (2.1775 in)

Bearing width ... 45.0 mm (1.77 in)

Link bearing

Inside diameter after assembly ... 45.295 mm (1.7833 in)

Bearing width ... 40.0 mm (1.57 in)

(12) Stabilizer cylinder (head end) bearing

Inside diameter after assembly ... 40.288 mm (1.5861 in)

Bearing width ... 20.0 mm (.79 in)

(13) Loader frame bearing

Inside diameter after assembly ... 45.295 mm (1.7833 in)

Bearing width ... 34.0 mm (1.34 in)

Stabilizer bearing

Inside diameter after assembly ... 45.295 mm (1.7833 in)

Bearing width ... 34.0 mm (1.34 in)

(14) Boom bearing

Inside diameter after assembly ... 55.156 mm (2.1715 in)

Bearing width ... 38.0 mm (1.50 in)

(15) Swing bearing

Inside diameter after assembly ... 55.207 mm (2.1735 in)

Bearing width ... 55.0 mm (2.17 in)

Swing bearing

Inside diameter after assembly ... 40.114 mm (1.5793 in)

Bearing width ... 32.0 mm (1.26 in)

Swing cylinder (rod end) bearing

Inside diameter after assembly ... 40.114 mm (1.5793 in)

Bearing width ... 20.0 mm (.79 in)

(16) Stabilizer bearing

Inside diameter after assembly ... 45.295 mm (1.7833 in)

Bearing width ... 34.0 mm (1.34 in)

(17) Stabilizer cylinder bearing

Inside diameter after assembly ... 40.288 mm (1.5861 in)

Bearing width ... 20.0 mm (.79 in)

(18) Loader frame (lower plate) bearing

Inside diameter after assembly ... 65.322 mm (2.5717 in)

Bearing width ... 48.0 mm (1.89 in)

(19) Loader frame bearing

Inside diameter after assembly ... 70.329 mm (2.7689 in)

Bearing width ... 34.0 mm (1.34 in)

(20) Torque for four nuts ... 750 ± 80 N·m (550 ± 60 lb ft)

(21) Torque for nut ... 1250 ± 135 N·m (920 ± 100 lb ft)

(22) Torque for nut ... 1100 ± 150 N·m (820 ± 110 lb ft)

Caterpillar Information System:

416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Loader Linkage Control Group
416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Multipurpose Bucket Clamp Cylinder (Optional)
416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Extendable Stick Backhoe Bucket Cylinder (Optional)
416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Extendable Stick Cylinder (Optional)
416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Stick Cylinder
416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Backhoe Bucket Cylinder
416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Relief Valve For Swing Cylinders
416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Swing Cylinders (RH & LH)
416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Boom Cylinders
416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Stabilizer Cylinder (RH & LH)
416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Tilt Cylinder
416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Lift Cylinder
416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Bucket Positioner And Kickout Group
416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM Bucket Positioner And Kickout Adjustment Procedure
416, 426 & 436 BACKHOE LOADERS HYDRAULICS Systems Operation
416, 426 & 436 BACKHOE LOADERS HYDRAULICS Implement Hydraulic System Testing And Adjusting
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416, 426, 428, 436 & 438 BACKHOE LOADERS OPERATOR'S STATION Individual Circuit Description - (Simplified Schematics)
416, 426, 428, 436 & 438 BACKHOE LOADERS OPERATOR'S STATION Alternator 7T2876 12 Volt Bosch Number 0120489387
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