OMM135891 E1: 47, 48, and 49 Backhoe for 4200—4700, 5105 and 5205, 5200—5500, 5210—5510 Tractors, Block File: OUO1085_00002D2_19

Assembling 48 Backhoe (4300-4700 Tractors)

1. Remove bag of parts from adapter weldment kit.

2. Remove bag of parts secured to hydraulic swing cylinders.

NOTE: Not shown-Hex Nut, M12 (2 used)

Not shown-Lock Washer, M12 (2 used)

A-Bucket Pin (2 used)
B-Bucket Pin Washer (4 used)
C-L-Pin (2 used)
D-Retainer Ring (2 used)
E-Flat Washer, Movable Latch Plate, 1/2 in. (4 used)
F-Lock Washer, Movable Latch Plate, 1/2 in. (4 used)
G-Cap Screw, Movable Latch Plate, 1/2 in. (4 used)
H-Spring Clamp, Screw, Washer, Hex Nut
I-Retainer Cable, L-Pin (2 used)
J-Movable Latch Plate (2 used)
K-Hitch Pin (2 used)
L-Cap Screw, Bucket Pin Retainer (4 used)
M-Lock Washer, Bucket Pin Retainer (4 used)
N-Hex Nut, Bucket Pin Retainer (4 used)
O-Retainer, Bucket Pin (4 used)
P-Cap Screw, 1/2 x 8 in. (2 used)
Q-Cap Screw, 1/2 x 7-1/2 in. (12 used)
R-Hex Nut, 1/2 in. (15 used)
S-Washer, 1/2 in. (14 used)
T-Cap Screw, Seat to Seat Bracket, 5/16 x 3/4 in. (4 used)
U-Lock Washer, Seat to Seat Bracket, 5/16 in. (4 used)
V-Cap Screw, Seat Bracket to Frame, 1/2 x 6-1/2 in.

OUO1085,00002D2 -19-21NOV00-1/6

3. The Model 48 backhoe has two adapter weldments available to allow it to fit large frame (4500-4700) tractors (W) and medium frame (4300, 4400) tractors (X). Use the adapter weldments appropriate for your application.

W-Adapter Weldment for 4500-4700 tractors
X-Adapter Weldment for 4300, 4400 Tractors

OUO1085,00002D2 -19-21NOV00-2/6

4. Bolt adapter weldment to backhoe frame using twelve 1/2 x 7-1/2 in. cap screws (Q). Use two 1/2 x 8 in. cap screws (P) to hold bumper plate (Y) in place. Place a 1/2 in. flat washer (S) under the head of each cap screw, as shown. Install lock nuts (R) on back side of adapter weldment with no washers.

5. Tighten all cap screws to specification.

Specification

Cap Screw -Torque

142 N·m (105 lb-ft)

P-1/2 x 8 in. Cap Screw (2 used)
Q-1/2 x 7-1/2 in. Cap Screw (12 used)
S-1/2 in. Flat Washer (12 used)
Y-Bumper Plate

OUO1085,00002D2 -19-21NOV00-3/6

6. Install the movable latch plates (J) on the outside of the adapter weldment hooks using four 1/2 in. flat washers (E), lock washers (F), and cap screws (G). Install the L-pin retainer cable (I) under one of the cap screws, as shown. Center the slots on the movable latch plates before tightening cap screws.

7. Attach L-pins (C) to cable retainers as shown using retainer rings (D).

NOTE: Photo shows L-pins installed into backhoe. Remove L-pins before attempting to attach backhoe to tractor.

C-L-Pin (2 used)
D-Retainer Ring (2 used)
E-1/2 in. Flat Washer (4 used)
F-Lock Washer (4 used)
G-Cap Screw (4 used)
I-L-Pin Retainer Cable (2 used)

OUO1085,00002D2 -19-21NOV00-4/6

8. Place hitch pins (K) in storage locations on operator platform.

K-Hitch Pin

OUO1085,00002D2 -19-21NOV00-5/6

9. Install the spring clamp (H) to the backhoe operation left side weldment using the machine screw, lock washer, and nut provided.

H-Spring Clamp

OUO1085,00002D2 -19-21NOV00-6/6