Labounty MRX Series, Safety, Operation & Maintenance

Page: 17 / 36

MRX Multi-kit Demolition Tool Operation & Maintenance Manual | 17
• Use attachment rotation for positioning only. Do not
use if for bending, breaking or prying.
• DO NOT use attachment as a jack hammer or
wrecking ball.
• DO NOT attempt to shear material stuck through the
lower jaw.
• Before shearing thin material, ensure the blades are
sharp and properly adjusted. Thin material may jam
the blades.
• DO NOT apply excavator force at the ends of the
upper shear in an attempt to un-jam the jaws or cut
material that is too large for the shear.
TECHNICAL SPECIFICATIONS
Model Jaw Weight w/ Jaw Jaw Opening Jaw Depth Reach
Minimum Excavator Weight
- 3rd Member
MRX200
Shear
5,980 Lbs
2,700 Kg
18.9 in
480 mm
20.7 in
530 mm
8.3 ft
2.5 m
55,000 Lbs
25 mTons
Concrete Pulverizer
6,170 Lbs
2,800 Kg
34.6 in
880 mm
31.1 in
790 mm
8.8 ft
2.7 m
55,000 Lbs
25 mTons
Concrete Cracking
6,250 Lbs
2,800 Kg
36.2 in
920 mm
30.1 in
760 mm
9.1 ft
2.8 m
55,000 Lbs
25 mTons
MRX250
Shear
7,680 Lbs
3,500 Kg
19.7 in
500 mm
22 in
560 mm
8.6 Ft
2.6 M
77,000 Lbs
35 mTons
Concrete Pulverizer
7,740 Lbs
3,500 Kg
35.6 in
900 mm
32.3 in
820 mm
9.1 ft
2.8 m
77,000 Lbs
35 mTons
Concrete Cracking
7,670 Lbs
3,500 Kg
37.2 in
940 mm
32.1 in
820 mm
9.3 ft
2.8 m
77,000 Lbs
35 mTons
MRX350
Shear
8,780 Lbs
4,000 Kg
20.7 in
530 mm
22.2 in
560 mm
8.8 ft
2.7 m
99,000 Lbs
45 mTons
Concrete Pulverizer
9,430 Lbs
4,300 Kg
38.2 in
970 mm
33.9 in
860 mm
9.5 ft
2.9 m
99,000 Lbs
45 mTons
Concrete Cracking
9,380 Lbs
4,300 Kg
39.8 in
1,010 mm
34.4 in
870 mm
9.7 ft
3.0 m
99,000 Lbs
45 mTons
CONTROLS
Learn the control for each movement of the attachment before
attempting to operate.
Control Attachment Function
Bucket Curl Attachment Curl
Bucket Dump Attachment Out
Auxiliary Cylinder Circuit Jaw Open/Close
BLEED THE ATTACHMENT HYDRAULIC CIRCUIT
Air must be bled out of the hydraulic circuit prior to operation. Air in the hydraulic system leads to cavitation, oxidation
of the oil and excessive heat. These conditions promote hydraulic oil break-down, contamination, noise, sluggish
operation, reduced component life and potential cylinder damage.
1. Start with the attachment in the vertical position.
2. Set the excavator at idle speed.
3. Slowly open the jaws until a noticeable change in tone of the excavator is heard, indicating a full cylinder. Release
the controls and do not continue to apply full operating pressure to the cylinder.
4. Slowly close the jaws until the cylinder rod is extended approximately 1/4 stroke.
5. Open the jaws to retract the cylinder all the way.
6. Repeat steps 3 and 4. Extend the cylinder a quarter stroke more each time, until you reach full stroke.