993K Wheel Loader Electrohydraulic System Bucket Control Caterpillar

Bucket Control

993K Wheel Loader Electrohydraulic System [KENR5826]

993K Wheel Loader Electrohydraulic System Tilt Cylinder

993K Wheel Loader Electrohydraulic System Pilot Control Actuator (Proportional Solenoid)

IMPLEMENTS

CONTROL GP

993K Wheel Loader Electrohydraulic System Bucket Control

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Illustration 1	g06578337
The Illustration is exclusively applicable to 255-8228 Cartridge Pin Gp

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Illustration 2	g06578336
The Illustration is exclusively applicable to 255-8228 Cartridge Pin Gp Section views of Illustration 1

Note: Illustration 1 through Illustration 2, and Table 1 is exclusively applicable to 255-8228 Cartridge Pin Gp.

Note: Illustration 1 through Illustration 2 depict the right side view of the machine which is to be used as a typical example for the left side view of the machine.

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Table 1
Specification for 255-8228 Cartridge Pin Gp
Item	Qty	Part	Specification Description
1	8	4E-5608 Collet	Before assembly, outer diameter, inner diameter, and mating surfaces to be clean. Apply Loctite^® C5A^® anti-seize to the outer diameter and inner diameter of the collet.
2	4	281-7179 Pin Cartridge As	Before assembly, coat the bores with Loctite^® C5A^® anti-seize. Install the pin cartridge assembly with the smaller diameter toward the centerline of the machine. Install the pin cartridge assembly from the outside of the machine. Press the pin cartridge assembly toward the centerline of the machine.
3	2	308-6349 Collet	Before assembly, outer diameter, inner diameter, and mating surfaces to be clean. Apply Loctite^® C5A^® anti-seize to the outer diameter and inner diameter of the collet.
4	2	308-6350 Collet	Before assembly, outer diameter, inner diameter, and mating surfaces to be clean. Apply Loctite^® C5A^® anti-seize to the outer diameter and inner diameter of the collet.
5	36	198-0918 Plug	Ensure that all collet puller holes have been properly plugged.
6	6	113-1047 Bolt	Apply Loctite^® C5A^® anti-seize to the threads of the bolt. Tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Tap the joint until the torque drops lower than 950 N·m (701 lb ft). Again, tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Apply a second impact until the torque drops to less than 1600 N·m (1180 lb ft). Once again, tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Again, tighten the bolts to 1800 ± 200 N·m (1328 ± 148 lb ft) after 50 hours of vehicle operation. Optional collet tightening procedure: Install pin and collets and press collets to pin with a minimum force of 507 kN (113979 lb). Install and tighten the bolts to 1800 ± 200 N·m (1328 ± 148 lb ft).
7	20	266-6039 Dowel Pin	Visually align the halves of the holes in the cartridge with the halves of the holes in the insert prior to final assembly.
8	2	281-7187 Pin Cartridge As	Before assembly, coat the bores with Loctite^® C5A^® anti-seize. Install the pin cartridge assembly with the smaller diameter toward the centerline of the machine. Install the pin cartridge assembly from the outside of the machine. Press the pin cartridge assembly toward the centerline of the machine.
As required, use to achieve a gap of 0.5 mm to 1.0 mm (0.02 inch to 0.04 inch) in between out side face of each insert and the back face of the corresponding end plate.
9	4	310-1678 Plate	Thickness is 0.4 mm (0.02 inch).
10	4	272-8140 Plate	Thickness is 0.8 mm (0.03 inch).
11	8	246-6629 Plate	Thickness is 1.6 mm (0.06 inch).
As required, use to achieve a gap of 0.5 mm to 1.0 mm (0.02 inch to 0.04 inch) in between out side face of each insert and the back face of the corresponding end plate.
12	12	281-7192 Plate	Thickness is 1.0 mm (0.04 inch).
13	4	281-7197 Plate	Thickness is 2.5 mm (0.10 inch).
14	10	241-4960 Shim	As required, use to achieve a gap of 0.5 mm to 1.0 mm (0.02 inch to 0.04 inch) in between out side face of each insert and the back face of the corresponding end plate. Use the shims to achieve a minimum gap in between installed 9S-8009 O-Ring Plug and 281-7190 Retainer.
14	10	241-4960 Shim	Thickness of each shim is 1.22 ± 0.18 mm (0.048 ± 0.007 inch).
15	96	137-3301 Bolt	Before assembly, clean bolts to Loctite^® 263 ^™ to the threads.
16	2	459-6639 Cartridge As	Before assembly, outer diameter, inner diameter, and mating surfaces to be clean. Apply Loctite^® C5A^® anti-seize to the outer diameter and inner diameter of the collet. Install the pin cartridge assembly with the smaller diameter toward the centerline of the machine. Install the pin cartridge assembly from the outside of the machine. Press the pin cartridge assembly toward the centerline of the machine. As required, on all four ends, use shims to achieve a gap of 0.5 mm to 1.0 mm (0.02 inch to 0.04 inch) at the closest point (taking measurements at multiple points around the circumference between the outside face of the insert and back side face of the end plate.
17	2	444-1816 Cartridge As	Before assembly, outer diameter, inner diameter, and mating surfaces to be clean. Apply Loctite^® C5A^® anti-seize to the outer diameter and inner diameter of the collet. As required, on all four ends, use shims to achieve a gap of 0.5 mm to 1.0 mm (0.02 inch to 0.04 inch) at the closest point (taking measurements at multiple points around the circumference between the outside face of the insert and back side face of the end plate.

Note: Illustration 3 through Illustration 12, and Table 2 through Table 10 is exclusively applicable to 251-9640 Cartridge Pin Gp.

Note: Illustration 3 through Illustration 12 depict the right side view of the machine which is to be used as a typical example for the left side view of the machine.

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Illustration 3	g06089006
Right side view Illustration exclusively applicable to 251-9640 Cartridge Pin Gp

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Illustration 4	g03136236
Section A-A

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Table 2
Specification for 251-9640 Cartridge Pin Gp
Item	Qty	Part	Specification Description
1	12	266-6039 Dowel Pin	Visually align the halves of the holes in the cartridge with the halves of the holes in the insert prior to final assembly.
2	2	281-7169 Pin Cartridge As	Before assembly, coat the bores with Loctite C5A copper anti-seize. Install the pin cartridge assembly with the smaller diameter toward the centerline of the machine. Install the pin cartridge assembly from the outside of the machine. Press the pin cartridge assembly toward the centerline of the machine.
3	10	241-4960 Shim	As required, use the shims to achieve a gap of 0.5 mm to 1.0 mm (0.02 inch to 0.04 inch) in between out side face of each insert and the back face of the corresponding end plate. Use the shims to achieve a minimum gap in between installed 9S-8009 O-Ring Plug and 281-7190 Retainer.
3	10	241-4960 Shim	Thickness is 1.22 ± 0.18 mm (0.048 ± 0.007 inch).
4	As required, use the shims to achieve a gap of 0.5 mm to 1.0 mm (0.02 inch to 0.04 inch) in between out side face of each insert and the back face of the corresponding end plate.
	4	310-1678 Plate	Thickness is 0.4 mm (0.02 inch).
	4	272-8140 Plate	Thickness is 0.8 mm (0.03 inch).
	8	246-6629 Plate	Thickness is 1.6 mm (0.06 inch).

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Illustration 5	g03183856
Section G-G

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Table 3
Specification for 251-9640 Cartridge Pin Gp
Item	Qty	Part	Specification Description
5	2	281-7179 Pin Cartridge As	Before assembly, coat the bores with Loctite C5A copper anti-seize. Install the pin cartridge assembly with the smaller diameter toward the centerline of the machine. Install the pin cartridge assembly from the outside of the machine. Press the pin cartridge assembly toward the centerline of the machine.
6	4	4E-5608 Collet	Before assembly, outer diameter, inner diameter, and mating surfaces to be clean. Apply Loctite C5A copper anti-seize to the outer diameter and inner diameter of the collet.
7	2	113-1047 Bolt	Apply Loctite C5A copper anti-seize to the threads of the bolt. Tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Tap the joint until the torque drops lower than 950 N·m (701 lb ft). Again, tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Apply a second impact until the torque drops to less than 1600 N·m (1180 lb ft). Once again, tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Torque the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft) after 50 hours of vehicle operation.

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Illustration 6	g03187477
Section E-E

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Table 4
Specification for 251-9640 Cartridge Pin Gp
Item	Qty	Part	Specification Description
8	2	281-7179 Pin Cartridge As	Before assembly, coat the bores with Loctite C5A . Install the pin cartridge assembly with the smaller diameter toward the centerline of the machine. Install the pin cartridge assembly from the outside of the machine. Press the pin cartridge assembly toward the centerline of the machine.
9	4	4E-5608 Collet	Before assembly, outer diameter, inner diameter, and mating surfaces to be cleaned. Apply Loctite C5A copper anti-seize to the outer diameter and inner diameter of the collet.
10	2	113-1047 Bolt	Apply Loctite C5A to the threads of the bolt. Tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Tap the joint until the torque drops lower than 950 N·m (701 lb ft). Again, tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Apply a second impact until the torque drops to less than 1600 N·m (1180 lb ft). Once again, tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Torque the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft) after 50 hours of vehicle operation.

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Illustration 7	g03187536
Section K-K

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Table 5
Specification for 251-9640 Cartridge Pin Gp
Item	Qty	Part	Specification Description
11	2	308-6349 Collet	Before assembly, outer diameter, inner diameter, and mating surfaces to be cleaned. Apply Loctite C5A copper anti-seize to the outer diameter and inner diameter of the collet.
12	2	308-6350 Collet	Before assembly, outer diameter, inner diameter, and mating surfaces to be cleaned. Apply Loctite C5A copper anti-seize to the outer diameter and inner diameter of the collet.
13	36	198-0918 Plug	Ensure that all collet pullers have been properly plugged.
14	2	113-1047 Bolt	Apply Loctite C5A to the threads of the bolt. Tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Tap the joint until the torque drops lower than 950 N·m (701 lb ft). Again, tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Apply a second impact until the torque drops to less than 1600 N·m (1180 lb ft). Once again, tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Torque the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft) after 50 hours of vehicle operation.
15	2	281-7187 Pin Cartridge As	Before assembly, coat the bores with Loctite C5A . Install the pin cartridge assembly with the smaller diameter toward the centerline of the machine. Install the pin cartridge assembly from the outside of the machine. Press the pin cartridge assembly toward the centerline of the machine.

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Illustration 8	g03187657
Section F-F

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Table 6
Specification for 251-9640 Cartridge Pin Gp
Item	Qty	Part	Specification Description
16	2	308-6349 Collet	Before assembly, outer diameter, inner diameter, and mating surfaces to be cleaned. Apply Loctite C5A copper anti-seize to the outer diameter and inner diameter of the collet.
17	2	308-6350 Collet	Before assembly, outer diameter, inner diameter, and mating surfaces to be cleaned. Apply Loctite C5A copper anti-seize to the outer diameter and inner diameter of the collet.
18	36	198-0918 Plug	Ensure that all collet pullers have been properly plugged.
19	2	3E-8009 Bolt	Apply Loctite C5A copper anti-seize to the threads of the bolt. Tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Tap the joint until the torque drops lower than 950 N·m (701 lb ft). Again, tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Apply a second impact until the torque drops to less than 1600 N·m (1180 lb ft). Once again, tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Torque the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft) after 50 hours of vehicle operation.
20	2	281-7183 Pin Cartridge As	Before assembly, coat the bores with Loctite C5A copper antiseize . Install the pin cartridge assembly with the smaller diameter toward the centerline of the machine. Install the pin cartridge assembly from the outside of the machine. Press the pin cartridge assembly toward the centerline of the machine.
21	2	5M-6214 Pipe Plug	Ensure that all grease ports have been properly plugged.

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Illustration 9	g03187836
Section C-C

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Table 7
Specification for 251-9640 Cartridge Pin Gp
Item	Qty	Part	Specification Description
22	2	5M-6214 Pipe Plug	Ensure that all grease ports have been properly plugged.

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Illustration 10	g03187876
Section Y-Y

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Table 8
Specification for 251-9640 Cartridge Pin Gp
Item	Qty	Part	Specification Description
23	12	266-6039 Dowel Pin	Visually align the halves of the holes in the cartridge with the halves of the holes in the insert prior to final assembly.
24	2	281-7169 Pin Cartridge As	Before assembly, coat the bores with Loctite C5A copper anti-seize. Install the pin cartridge assembly with the smaller diameter toward the centerline of the machine. Install the pin cartridge assembly from the outside of the machine. Press the pin cartridge assembly toward the centerline of the machine.
25	As required, use the shims to achieve a gap of 0.5 mm to 1.0 mm (0.02 inch to 0.04 inch) in between out side face of each insert and the back face of the corresponding end plate.
	8	310-1678 Plate	Thickness is 0.4 mm (0.02 inch).
	4	272-8140 Plate	Thickness is 0.8 mm (0.03 inch).
	12	246-6629 Plate	Thickness is 1.6 mm (0.06 inch).

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Illustration 11	g03187916
Section D-D

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Table 9
Specification for 251-9640 Cartridge Pin Gp
Item	Qty	Part	Specification Description
26	2	5M-6214 Pipe Plug	Ensure that all grease ports have been properly plugged.
27	2	281-7179 Pin Cartridge As	Before assembly, coat the bores with Loctite C5A copper anti-seize. Install the pin cartridge assembly with the smaller diameter toward the centerline of the machine. Install the pin cartridge assembly from the outside of the machine. Press the pin cartridge assembly toward the centerline of the machine.
28	4	4E-5608 Collet	Before assembly, outer diameter, inner diameter, and mating surfaces to be cleaned. Apply Loctite C5A copper anti-seize to the outer diameter and inner diameter of the collet.
29	2	113-1047 Bolt	Apply Loctite C5A to the threads of the bolt. Tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Tap the joint until the torque drops lower than 950 N·m (701 lb ft). Again, tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Apply a second impact until the torque drops to less than 1600 N·m (1180 lb ft). Once again, tighten the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft). Torque the bolt to 1800 ± 200 N·m (1328 ± 148 lb ft) after 50 hours of vehicle operation.

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Illustration 12	g03188016
Section B-B

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Table 10
Specification for 251-9640 Cartridge Pin Gp
Item	Qty	Part	Specification Description
30	8	266-6039 Dowel Pin	Visually align the halves of the holes in the cartridge with the halves of the holes in the insert prior to final assembly.
31	2	281-7184 Pin	Before assembly, coat the bores with Loctite C5A . Orient the pin cartridge assembly with the smaller diameter toward the centerline of the machine. Install the pin cartridge assembly from the outside of the machine. Press the pin cartridge assembly toward the centerline of the machine.
32	10	241-4960 Shim	As required, use the shims to achieve a gap of 0.5 mm to 1.0 mm (0.02 inch to 0.04 inch) in between out side face of each insert and the back face of the corresponding end plate. Use the shims to achieve a minimum gap in between installed 9S-8009 O-Ring Plug and 281-7190 Retainer.
32	10	241-4960 Shim	Thickness is 1.22 ± 0.18 mm (0.048 ± 0.007 inch).
33	As required, use the shims to achieve a gap of 0.5 mm to 1.0 mm (0.02 inch to 0.04 inch) in between out side face of each insert and the back face of the corresponding end plate.
	12	281-7192 Plate	Thickness is 1.0 mm (0.04 inch).
	4	281-7197 Plate	Thickness is 2.5 mm (0.10 inch).