518 SKIDDER POWER TRAIN Caterpillar


Transmission (9S5226)

Usage:

(1) Thickness of three new discs and two new plates for the No.5 clutch ... 1.034 to 1.064 in.(26,26 to 27,03 mm)

(2) Thickness of one new 3S7981 Disc (for all clutches) ... .180 to .186 in.(4,57 to 4,72 mm)

Minimum permissible thickness ... .168 in.(4,27 mm)

(3) Thickness of one new 3S7978 or 2P2903 Plate for all clutches ... .247 to .253 in.(6,27 to 6,43 mm)

Minimum permissible thickness ... .227 in.(5,77 mm)

(4) Torque for the bolts of the No.5 clutch housing ... 85 ± 5 lb.ft.(11,8 ± 0,7 mkg)

(5) Diameter of 3S7987 Shaft (planet gear) for the No.4 clutch ... .7932 ± .0002 in.(20,147 ± 0,005 mm)

(6) Thickness of two new discs and one new plate for the No.4 clutch ... .607 to .625 in.(15,42 to 15,88 mm)

(7) Thickness of three new discs and two new plates for the No.3 clutch ... 1.034 to 1.064 in.(26,26 to 27,02 mm)

(8) Diameter of the 4S8670 Shaft (planet gear) for No.3, No.2 and No.1 clutches ... .7932 ± .0002 in.(20,147 ± 0,005 mm)

(9) Thickness of four new discs and three new plates for the No.2 clutch ... 1.461 to 1.503 in.(37,11 to 38,18 mm)

(10) Thickness of five new discs and four new plates for the No.1 clutch ... 1.888 to 1.942 in.(47,96 to 49,33 mm)

(11) Torque for the bolts that hold the clutch housings together ... 85 ± 5 lb.ft.(11,8 ± 0,7 mkg)

(12) 1M3151 Pin (reaction):

Length ... 2.688 in.(68,28 mm)

Diameter ... .4975 ± .0005 in.(12,637 ± 0,013 mm)

(13) 2P7916 Pin (reaction):

Length ... 2.672 in.(67,87 mm)

Diameter ... .312;+.000 or -.006 in.(7,92;+0,00 or -0,15 mm)

(14) 7S8553 Spring to release the No.5 clutch:

Length under test force ... 1.735 in.(44,07 mm)

Test force ... 60.0 ± 4.8 lb.(27,2 ± 2,2 kg)

Free length after test ... 1.990 in.(50,55 mm)

Outside diameter ... .562 in.(14,27 mm)

(15) 4M9592 Spring to release the No.4 clutch:

Length under test force ... 1.375 in.(34,93 mm)

Test force ... 26.2 ± 1.3 lb.(11,9 ± 0,6 kg)

Free length after test ... 1.760 in.(44,70 mm)

Outside diameter ... .562 in.(14,27 mm)

(16) 4M1641 Pin (reaction):

Length ... 5.000 in.(127,0 mm)

Diameter ... .4975 ± .0005 in.(12,637 ± 0,013 mm)

(17) 9H5537 Spring to release the No.3 clutch:

Length under test force ... 1.844 in.(46,84 mm)

Test force ... 28.75 ± 2.30 lb.(13,0 ± 1,0 kg)

Free length after test ... 2.469 in.(62,71 mm)

Outside diameter ... .563 in.(14,30 mm)

(18) Torque for the bolts that hold the retainer to the carrier ... 34 ± 2 lb.ft.(4,7 ± 0,3 mkg)

(19) 4M5016 Spring to release the No.1 and No.2 clutches:

Length under test force ... 2.68 in.(68,1 mm)

Test force ... 28.00 ± 2.24 lb.(12,7 ± 1,0 kg)

Free length after test ... 3.28 in.(83,3 mm)

Outside diameter ... .563 in.(14,30 mm)

(20) 3K2511 Pin (reaction):

Length ... 6.938 in.(176,23 mm)

Diameter ... .4975 ± .0005 in.(12,637 ± 0,013 mm)

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