SERVICE STEERING & BRAKES

A

B

C

J

F

L

G

I

H

E

D

MX15325

3.Remove cap (A), cotter pin (B), castle nut (C), caster yoke and wheel assembly (D) and caster bushing (E).

NOTE: It is not necessary to remove the bearing races (F and G), unless the bearings need to be replaced.

4.Remove seal (H) and lower bearing (I).

5.Remove upper bearing (J).

6.Clean and inspect bearings (I and J); pack with clean grease. Replace bearings if needed.

7.Install lower bearing (I).

8.Install caster bushing (E) into a new seal (H).

9.Install seal assembly (H).

10.Carefully install caster yoke and wheel assembly (D).

NOTE: Do not overtighten castle nut (C). Tighten castle nut only enough to install the cotter pin (B). The caster wheel yoke assembly must be free to rotate.

11.Install castle nut (C), cotter pin (B) and cap (A).

12.Apply grease to lubrication fitting (L).

Checking and Aligning Motion Control Levers - Standard “Center Steer” Levers

Check Alignment:

1.Park machine safely. (See Parking Safely in the Safety section.)

2.The control lever gap is pre-set at the factory. If the gap requires adjustment, see your authorized Great Dane servicing dealer.

Height Adjustment Procedure

The position of the control levers can be varied higher or lower by approximately 25 mm (1 in.) depending on the holes chosen for mounting the lever.

C

MX15352

•To mount in the high position, mount the levers to the top four holes in the mounting bracket.

•To mount in the low position, mount the levers to the bottom four holes in the mounting bracket.

Checking and Aligning Motion Control Levers - Optional “Over the Lap” Levers

Check Alignment:

1.Park machine safely. (See Parking Safely in the Safety section.)

A

B

MX13126

2.Move both motion control levers (A) from the neutral lock to the neutral steer position.

3.Check levers for equal alignment.

• Check gap (B) between the levers. The recommended gap is 3-6 mm (1/8-1/4 in.).

Service Steering & Brakes - 39

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Great Dane GDRZ72-28KHE, GDRZ72-27KHE, GDRZ61-25KAE, GDRZ61-28KHE, GDRZ61-26KHE Check Alignment, Height Adjustment Procedure
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GDRZ48-19KAE, GDRZ61-25KHE, GDRZ61-27KHE, GDRZ48-17KAE, GDRZ72-28KHE specifications

The Great Dane GDRZ series, including models GDRZ72-27KHE, GDRZ61-25KAE, GDRZ61-28KHE, GDRZ61-26KHE, and GDRZ52-25KHE, stands out as a robust line of refrigerated trailers designed for the rigorous demands of commercial transport and logistics. These models embody a perfect fusion of innovative technologies, exceptional performance, and high durability, catering specifically to the needs of operators in the freight industry.

One of the most notable features of the GDRZ series is its advanced insulation technology, which significantly enhances temperature retention. This is vital for businesses that rely on the transport of perishable products, ensuring that goods remain fresh throughout the journey. The GDRZ trailers utilize high-density foam insulation, providing superior thermal performance while minimizing energy costs.

In terms of structural integrity, the GDRZ series is built with a sturdy composite construction that enhances durability while reducing overall weight. This lightweight design contributes to improved fuel efficiency, allowing operators to maximize their payload without compromising on safety or performance. Moreover, these trailers are equipped with corrosion-resistant materials, extending their lifespan and reducing maintenance costs.

The cooling systems in the GDRZ models are engineered for optimal performance. High-efficiency refrigeration units with digital thermostatic controls ensure that temperature settings are maintained accurately and can be adjusted easily. This technology enables users to monitor and record temperature data, facilitating compliance with industry regulations and providing peace of mind regarding cargo safety.

Another highlight of the GDRZ series is its user-friendly features. The ergonomic design of the interior allows for easy access to cargo, while the integrated lighting solutions facilitate loading and unloading in low-visibility conditions. The models also feature reinforced tie-down points that secure cargo effectively, reducing the risk of movement and damage during transit.

Safety is a key consideration across the GDRZ line, with advanced braking systems and reflective markings enhancing visibility and control on the road. Additional safety features may include optional GPS tracking systems, allowing operators to monitor the whereabouts of their trailers in real time, ensuring timely deliveries and improved fleet management.

In summary, the Great Dane GDRZ series, with its various models, represents a significant advancement in refrigerated transport technology. Combining energy efficiency, durability, and user-centric design, these trailers are ideal for businesses seeking reliable solutions for their refrigerated transport needs. With a commitment to quality and innovation, Great Dane continues to set industry standards for excellence in trailer manufacturing.
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