992K Wheel Loader Systems Caterpillar

Piston Pump (Implement, RH)

Usage:

992K KK2

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Illustration 1	g06128678

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Table 1
Item	Qty	Part	Specification Description
1	2	6V-5686 Bolt	Torque to 270 ± 40 N·m (199 ± 30 lb ft).
2	5	8T-0267 Bolt	Before assembly, apply Loctite 243 to the threads.
3	6	096-0008 Bolt	Torque to 270 ± 40 N·m (199 ± 30 lb ft).
4	6	6V-5224 Bolt	Torque to 125 ± 20 N·m (92 ± 15 lb ft).
5	1	148-3548 Special Race Bearing	Before assembly, lightly lubricate the sliding and rolling surfaces with hydraulic oil.
6	1	143-7319 Roller Bearing Race	Before assembly, lightly lubricate the sliding and rolling surfaces with hydraulic oil.
7	1	187-9116 Pump Barrel As	Before assembly, lightly lubricate the sliding and rolling surfaces with hydraulic oil.
8	9	150-4355 Piston	Before assembly, lightly lubricate the sliding and rolling surfaces with hydraulic oil.
9	4	9S-4181 Plug	Torque to 90 ± 15 N·m (66 ± 11 lb ft).
10	1	118-5805 Special Race Bearing	Before assembly, lightly lubricate the sliding and rolling surfaces with hydraulic oil.
11	1	159-7320 Retainer Plate	Before assembly, lightly lubricate the sliding and rolling surfaces with hydraulic oil.
12	1	314-3243 Swashplate	Before assembly, lightly lubricate the sliding and rolling surfaces with hydraulic oil.
13	3	5A-3604 Bolt	Before assembly, lightly lubricate the sliding and rolling surfaces with hydraulic oil.
14	1	313-1284 Retainer As	Before assembly, lightly lubricate the sliding and rolling surfaces with hydraulic oil.
15	1	Lip Seal	Lubricate lightly with lubricant that is being sealed.
16	1	251-7828 Port Plate	Before assembly, lightly lubricate the sliding and rolling surfaces with hydraulic oil.
17	1	214-6489 Ball	Before assembly, lightly lubricate the sliding and rolling surfaces with hydraulic oil.

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Illustration 2	g06128688
Section C-C

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Table 2
Item	Qty	Part	Specification Description
18	1	214-2445 Spring	Length under test force is 40 mm (1.6 inch). Test force is 940 ± 100 N (211 ± 22 lb). Free length after test is 43.04 mm (1.694 inch).
19	1	7Y-4224 Orifice	Do not apply sealant. Torque to 10 ± 2 N·m (89 ± 18 lb in).
20	1	267-3741 Actuator	Before assembly, lightly lubricate the sliding and rolling surfaces with hydraulic oil.
21	1	322-2018 Actuator Slide	Before assembly, lightly lubricate the sliding and rolling surfaces with hydraulic oil.
22	1	158-3504 Control Spool	Before assembly, lightly lubricate the sliding and rolling surfaces with hydraulic oil.
23	4	162-2165 Bolt	Torque to 2.20 ± 0.25 N·m (19.47 ± 2.21 lb in).
24	1	198-2914 Nut	Torque to 20 ± 3 N·m (177 ± 27 lb in).
25	1	316-1438 Cartridge As	Torque to 35 ± 3 N·m (26 ± 2 lb ft).
26	1	270-7898 Spring	Length under test force is 46.95 mm (1.848 inch). Test force is 27.22 ± 0.63 N (6.12 ± 0.14 lb). Free length after test is 57.22 mm (2.253 inch).
27	1	6J-2680 O-Ring Seal	Lubricate lightly with lubricant that is being sealed.
28	1	177-1405 Spring	Length under test force is 8.20 mm (0.323 inch). Test force is 18.41 ± 0.55 N (4.14 ± 0.12 lb). Free length after test is 12.29 mm (0.484 inch).

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Illustration 3	g06128695
187-9116 Pump Barrel As

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Table 3
Item	Qty	Part	Specification Description
29	9	120-7508 Bushing	All bearing surfaces must be kept clean. Bore before assembly is 30.20 ± 0.08 mm (1.191 ± 0.003 inch).

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Illustration 4	g06128699
316-1438 Cartridge As

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Table 4
Item	Qty	Part	Specification Description
30	-	-	Torque to 20 ± 3 N·m (177 ± 27 lb in).
31	-	-	Torque to 35 ± 3 N·m (26 ± 2 lb ft).

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