OMCC58808: 533, 583, 633, 653, 663, 683, 753 Loaders and 746 Loader (005000- ), Block File: OUCC006_0001349_19

Attach 533, 583, 633, 653, 663, 683 and 753 Loaders

causym CAUTION: DO NOT allow bystanders while attaching the loader.

1. Center tractor between loader masts.

Stop tractor when lower pins (A) of loader masts are in contact with the mounting frame edges (B).

2. Engage parking lock, apply handbrake and shut off engine.

A-Mast lower pin
B-Mounting frame edge

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3. Move lever forward and back, side to side to relieve hydraulic pressure.

4. Remove key and lock out controls.

Standard Multi-Function Lever

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5. Connect hydraulics and electrics.

a. Loader with individual couplers:

causym CAUTION: Help prevent personal injury caused by unexpected loader movement. Hose connections must be correct or loader will not respond as expected when control lever is moved.

Connect hydraulic hoses using colored dust covers, identification tags or marks to match mating couplers. For couplers lacking any form of identification, see "Identifying Hose Connections" in "Service" section.

If equipped, connect electrical harness (1).

1-Electrical harness
A-Red
B-Green
C-Black
D-Yellow
E-Orange
F-Blue

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b. Loader with multi-coupler:

Open cover (D).

Before each connection, carefully clean the mating surface of base (C) and top case (E) as well as guiding pins.

Push on lock button (A) and simultaneously pull up lock cam lever (B).

Engage top case (E) on base (C), then pull down lock cam lever (B) until lock button (A) engages, so that top case (E) is connected to base (C).

A-Lock button
B-Lock cam lever
C-Base
D-Cover
E-Top case

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6. Start engine, release handbrake, place transmission in NEUTRAL to allow tractor movement.

7. Dump bucket until lower pins (A) of masts are in mounting frame hooks (B).

A-Mast lower pin
B-Mounting frame hook

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8. Retract lift cylinders until the tractor's front wheels are just off the ground. Bushings (A) should be aligned with bushings (B).

9. Engage parking lock, apply handbrake, shut off engine, remove key and lock loader operating levers.

A-Loader mast bushing
B-Mounting frame bushing

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10. Install and lock pins (A) on both sides of loader.

A-Pins

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11. Remove spring pins (B).

Pull back parking stand locking lever (C).

Lift the parking stands (A) and lock them in their storage position with spring pins (B) on both sides.

A-Parking stand
B-Spring pins
C-Lever

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