Prepare the Loader

1. Remove shipping banding and wire.

2. Cut paint mask rings (A) off all cylinders.


A-Paint Mask Ring

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Install Bucket/Attachment

1. Roll top of attachment back and align hook (B) with holder pin (A).

2. Using lifting straps, raise front of loader high enough to allow pin (C) to locate into holder strap (D) on each side of attachment.

3. Remove quick lock pin (E) from storage position and install into pin (C) on each side of attachment.


A-Pin
B-Hook
C-Bucket Pin
D-Strap
E-Quick Lock Pin

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W06102

Left-Hand Side
W06103

Left-Hand Side


A-Cap Screw


B-Lever


C-Latch Rod


D-Round-Head Bolt and Lock Nut

Reposition Latch Rod (430 on 970 and 1070 Tractor)

1. Remove cap screw (A) from lever (B).

2. Remove latch rod (C) and latch from slotted plate on left-hand mast.

3. Remove round-head bolt and lock nut (D) from latch rod (C) on left-hand side of latch locking plate.

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W06104

Right-Hand Side
W06105

Right-Hand Side


A-Round-Head Bolt and Lock Nut


B-Latch Rod


C-Lever


D-Cap Screw

4. Install latch rod (B) onto right-hand latch locking plate using round-head bolt and lock nut (A) removed in Step 3.

5. Tighten lock nut against rod, then untighten nut 1/2 turn.

6. Apply thread lock and sealer (high strength) onto threads of cap screw (D).

7. Replace lever (C) and install cap screw.

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Reposition Hydraulic Oil Lines (430 on 970 and 1070 Tractor)

1. Remove and retain protective caps (A) from lines on left-hand side.

2. Remove cap screw (C) and clamp (D) from right-hand boom and release lines (B) from clamp.


A-Protective Caps
B-Hydraulic Lines
C-Cap Screw
D-Clamp

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3. Install clamp (A) on left-hand boom (C). Do not tighten cap screw (B) at this time.


A-Clamp
B-Cap Screw
C-Boom

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IMPORTANT: Remove and install only one line at a time to avoid contamination of hydraulic system. Install protective cap (C) as each line is removed from right-hand side.

NOTE: Check that all O-rings are properly positioned. Lubricate with hydraulic oil or petroleum jelly.

4. Relocate each hydraulic line, one at a time, as follows:

a. Loosen hydraulic fittings (A).

b. Remove one hydraulic line from right-hand boom.

c. Place protective cap (C) on line remaining on boom.

d. Install line, in same position as removed, on left-hand boom and tighten fitting (B).


A-Hydraulic Fittings
B-Hydraulic Fittings
C-Protective Caps

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Hydraulic Fittings (Right-Hand Side Shown)

W04211

Hydraulic Fittings (Left-Hand Side Shown)

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Install Hydraulic Hoses

IMPORTANT: To prevent premature failure of hoses, be sure there are no twists or bends in hoses, follow correct procedure for installation.

Check that all O-rings are in position. Lubricate with hydraulic oil or petroleum jelly.

NOTE: 430 on 970 and 1070 Tractor; Hoses are located on left-hand mast. Loader for 990 and 4000 series tractor shown.

1. Install nylon protector sleeve (flared end first) over four hoses.

NOTE: To assure proper torque on fittings, install and tighten hoses to fittings closest to mast first.

2. Connect hoses to fittings. Tighten to specification.

Specification

Hose-to-Line Fittings -Torque 38 N·m (28 lb-ft)

3. Install color-coded dust cap on each coupler to match function as follows:

  • A-Red or Silver (Head-End Bucket Cylinder)
  • B-Yellow (Rod-End Bucket Cylinder)
  • C-Green (Head-End Lift Cylinder)
  • D-Black (Rod-End Lift Cylinder)
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W06044


A-Head-End Bucket Cylinder
B-Rod-End Bucket Cylinder
C-Head-End Lift Cylinder
D-Rod-End Lift Cylinder

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NOTE: Doubling of sleeve is done by attaching sleeve to hoses with tie band approximately 50 mm (2 in.) from fittings, then folding the sleeve inside itself.

4. Double sleeve about 150 mm (6 in.) (A) and cover fittings.

5. Install tie band (B) by lacing tie band through holes in protective sleeve.

6. Press lines into clamp (C) and tighten cap screw (D) to secure lines to boom.

7. Pull sleeve toward quick-couplers, attach with tie band, double about 50 mm (2 in.) and install second tie band (F) lacing it through protective sleeve.

8. Secure sleeve to hoses with tie bands (E).


A-Distance
B-Tie Band
C-Clamp
D-Cap Screw
E-Tie Bands
F-Tie Band

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9. After loader has been mounted on tractor, route hoses as shown to avoid contact with loader frame at location (A).

10. Using tie band (B), secure hose bundle to loader frame.


A-Frame
B-Tie Band

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Position Loader to Mount on Tractor

causym CAUTION: Make sure loader latch (A) is in locked position.

1. Drive tractor to side of loader and shut off engine.

IMPORTANT: Avoid damaging hoses or pulling them out of couplers during assembly. Route hoses as shown.

2. Route hoses (C) between loader boom (B) and mounting frame (on tractor) (D), as shown.

3. Cut wires that fasten lift cylinders to masts.


A-Loader Latch
B-Loader Boom
C-Hoses
D-Mounting Frame

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Latch in Locked Position

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causym CAUTION: To help prevent injury from escaping hydraulic oil under pressure, relieve pressure in the system before disconnecting hydraulic hoses.

4. Move control lever(s) back and forth and side-to-side several times to relieve system pressure. (See your tractor Operator's Manual.)

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5. Connect couplers matching color-coded caps on hoses and colors on coupler plate as outlined below:

Key Port Cap Color Hydraulic Function
A 2 Red or Silver Bucket Cylinder-Head End
B 1 Yellow Bucket Cylinder-Rod End
C 4 Green Lift Cylinder-Head End
D 3 Black Lift Cylinder-Rod End

 
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70 Series Tractors

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4100 Tractor

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IMPORTANT: The weight of the 1250 mm (49 in.) and 1350 mm (53 in.) buckets may not be enough to act as a counterbalance with the weight of the boom when extending the cylinders. When cylinders are extended boom is supposed to raise, if weight is not placed in bucket, the bucket may raise instead.

6. Place a minimum of 25 kg (55 lb) weight in the bucket before extending the lift cylinders.

7. Extend lift cylinders to raise loader into mounting position.

8. Shut off tractor engine.

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causym CAUTION: To help prevent injury from escaping hydraulic oil under pressure, relieve pressure in the system before disconnecting hydraulic hoses.

9. Move control lever(s) back and forth and side-to-side several times to relieve system pressure. (See your tractor Operator's Manual.)

10. Disconnect couplers.

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