521B and 522B Track Feller Bunchers Machine Systems Caterpillar

Travel Motor

Usage:

521B F7B

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Illustration 1	g00813562

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Illustration 2	g02733278

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Table 1
Specifications for 320-2395 Travel Motor Gp, 320-2393 Travel Motor Gp, and 279-9872 Travel Motor Gp
Item	Qty	Part	Specification Description
-	1	279-9872 Travel Motor Gp	Minimum displacement per revolution 51 cc (3.1 cubic inch). Maximum displacement per revolution 107 cc (6.5 cubic inch).
-	1	320-2393 Travel Motor Gp	Minimum displacement per revolution 52 cc (3.2 cubic inch). Maximum displacement per revolution 100 cc (6.1 cubic inch).
-	1	320-2395 Travel Motor Gp	Minimum displacement per revolution 61 cc (3.7 cubic inch). Maximum displacement per revolution 107 cc (6.5 cubic inch).
Pump rotation is bidirectional.
Engine revolutions per minute 1500.
Relief valve setting for the pressure at the pump 40000 kPa (5800 psi).
1	2	6E-3283 Locknut	Torque 69 N·m (51 lb ft).
2	1	124-9914 Shim	3.0 mm (.118 inch).
3	-	-	Use necessary shims to adjust the clearance when the rotating group is installed in the housing. 124-9932 Shim 3.5 mm (.138 inch). 124-9933 Shim 3.6 mm (.142 inch). 124-9934 Shim 3.7 mm (.146 inch). 124-9935 Shim 3.8 mm (.150 inch). 124-9936 Shim 3.9 mm (.154 inch). 124-9937 Shim 4.0 mm (.158 inch).
4	2	9S-8005 O-Ring Plug	Torque 50 N·m (37 lb ft).
5	2	8T-5460 Bolt	Torque 510 ± 20 N·m (380 ± 15 lb ft).

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