- Mini Hydraulic Excavator
- 300.9D (S/N: LJ21-UP; LJM1-UP)
Description Of Change: The new service meter unit that is now used helps prevent the stoppage of recorded service hours.
Adaptable To: The new 458-6069 Service Meter Gp replaces the previous 373-9759 Service Meter Gp.
Table 1 contains the effective serial numbers for this change. Installation instructions for the new service meter group can be found below.
|Effective Serial Numbers|
Important Safety Information
Work safely. Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs.
A person must be alert to potential hazards. This person must also have the necessary training, skills, and tools to perform these functions properly.
Safety precautions and warnings are provided in this instruction and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons. AVSpare® cannot anticipate every possible circumstance of a potential hazard.
Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive. Avoid using a tool, a procedure, a work method, or operating technique that is not recommended by AVSpare®. If used, ensure the safety of the operating personnel and others.
Ensure that the product will not be damaged or the product will be made unsafe by the operation, lubrication, maintenance, or the repair procedures.
Additional Tools and Supplies
Note: The following items may be required and must be ordered separately.
|Qty||New Part Number||Part Name||Previous Part Number|
|1||458-6069||Service Meter Gp||373-9759|
- Remove the two screws (1) from service meter group (2) shown in Illustration 1.
- Pull the SMU away from the front panel to access the wire connections.
- Disconnect the wires from the existing SMU.
Table 3 SMU Pin Positions Wire Number / Color Wire Description 1 4 WH/GRN V+ 2 6 BLK Ground 3 4 WH/GRN V+ 4 N/A N/AShow/hide table Illustration 2 g06010746
- Connect the wires to the new SMU using Table 3 and Illustration 2.
Note: Use 16 AWG wire to create a jumper to pick up voltage from the number 4 WH/GRN wire to operate the new SMU.Show/hide table
Illustration 3 g06010756 (2) 373-9694 Screws
(3) 458-6069 Service Meter Gp
- Install the new service meter group (3) in the front panel using the previously removed two screws (2).
(1) 373-9759 Service Meter Gp
(2) 373-9694 Screws