Fill Port Location for Rotary Indexer: [1] Lube Fill Port, [2] Sight Glass 

To check and add oil to the HA5C:

1. The unit must be stopped to accurately read the oil level.

2. The sight-glass is located on the side of the unit [2]. Use the sight glass to check the oil level. The lube level should reach the mid-point of the sight glass.

3. To add lube to the Rotary Indexer, locate and remove the Pipe-plug from the lube fill port. This is located under the handle on top of the casting [1].

4. If necessary, add oil until the level reaches the mid-point of the eye.

5. Replace the lube fill port Pipe-plug and tighten.

To check and add oil to the HRT160/210/310:

1. The unit must be stopped and upright to accurately read the oil level.
2. Use the sight glass [2] to check the oil level. The lube level should reach the top of the sight glass. HRT210SHS - The oil level should show no more than 1/3 on the sight glass.
3. To add oil to the Rotary Indexer, remove the pipe plug from the oil fill port [1] located under the top plate.
4. Add oil (HRT110, HRT210SHS and TR110) until proper level is reached.
5. Replace the fill port bolt and tighten.

Fill Port Location for HRT450  built after September 2019

Note:  These HRT450 units have a air brake system they can be identified by the black brake disk: 

[1] Gear Oil Fill Port, [2] Sight Glass

To check and add oil to the HRT450:

1. The unit must be stopped and upright to accurately read the oil level.

2. Use the sight glass [2] to check the oil level. The lube level should reach the top of the sight glass.

3. To add oil, remove the pipe plug from the oil fill port [1] located under the top plate.

4. Add oil until proper level is reached.

5. Replace the fill port bolt and tighten.

Fill Port Location for HRT450 built before September 2019

 Note:  These HRT450 units have a hydraulic brake system they can be identified by a silver brake disk: 

[1] Gear Oil Fill Port, [2] Sight Glass

To check and add oil to the HRT450:

1. The unit must be stopped and upright to accurately read the oil level.

2. Use the sight glass [2] to check the oil level. The lube level should reach the top of the sight glass. 

3. To add oil, remove the pipe plug from the oil fill port [1] located under the top plate.

4. Add oil until proper level is reached.

5. Replace the fill port bolt and tighten.

Fill Port location for Trunnion Tables: [1] Fill Ports, [2] Sight Glasses

To check and add oil to the TR or T5C:

1. The unit must be stopped and upright to accurately read the oil level.

2. Use the sight glasses [2] to check the oil level. The lube level should reach the top of both sight glasses.

3. If the level is low, fill the table through the pipe plugs [1] in the body.

4. Fill to the top of the sight glass. Do not over fill.

5. If the oil is dirty, drain and refill with clean oil.

Note: The TR310 does not have a sight glass for the tilit axis and should be filled completely.

Oil change for TRT70

[1] A axis fill port.

[2] B axis fill and drain port

[3] A axis oil sight glass

[4] A axis drain port

Note: When Filling TRT rotaries fill the port area all the way then used a controller to rotate the axis that is being filled. Rotate slowly until the port area is drained. Repeat the process until the port area no longer drains. This will need to be done for both A and B axis. 

It is recommended that you use a funnel when pouring oil into the rotary.

Oil change for TRT100:

[1] A axis fill port.

[2] B axis fill port.

[3] B axis drain port.

[4] A axis drain port.

Note: When Filling TRT rotaries fill the port area all the way then used a controller to rotate the axis that is being filled. Rotate slowly until the port area is drained. Repeat the process until the port area no longer drains. This will need to be done for both A and B axis. 

It is recommended that you use a funnel when pouring oil into the rotary.

Oil change for TRT160, TRT210, and TRT310:

[1] A axis fill port.

[2] Do not use.  Warning: On TRT 160, this is a set screw that adjusts backlash. This should only be adjusted by a Haas service technician trained to adjust backlash on rotaries. 

[3] B axis drain and fill port.

[4] A axis drain port.

Note: When Filling TRT rotaries fill the port area all the way then used a controller to rotate the axis that is being filled. Rotate slowly until the port area is drained. Repeat the process until the port area no longer drains. This will need to be done for both A and B axis.

It is recommended that you use a funnel when pouring oil into the rotary.

Oil change for HT240 and HT 450:

[1] fill port.

[2] drain port.

Note: When Filling TH rotaries fill the port area all the way then used a controller to rotate the axis that is being filled. Rotate slowly until the port area is drained. Repeat the process until the port area no longer drains. 

Note: The picture shows a TH450. 

Remove the clips on the external battery board [1].

Install the batteries and place the clips back around the batteries as they were found originally.

• The external battery board is mounted on the side of the cover using Velcro and can be removed from the Velcro to make installing the batteries easier.  
• Reinstall the cover and verify the rotary control box functions properly

Refer to the How to Initialize Servo Control to Factory Default Parameters procedure.

The document below provides a detailed explanation for finding backlash on a Haas Rotary unit.

Note: The following rotary units can not be checked for backlash HRT110, HRT210SHS, HRT160SS /210SS.

Note: HRC units must be plugged, powered up, and disconnected from the air when checking backlash. 

Disconnect the air supply to the rotary.

Put the dial indicator on the rotary as shown in the illustration.

Use an aluminum pry bar (approx. 1" X 1/2" X 18") to push down the spindle [1] at about 15 ft-lb (20 N-m), and then release. Set the indicator dial to 0.

Use the pry bar to push up the spindle [2] at about 15 ft-lb (20 N-m), and then release.

If the indicator shows more than 0.0005" (0.01 mm), the adjustment of the spindle backlash is necessary.

For this adjustment you must send the rotary to a certified rotary repair facility.

For instructions on where to find a rotary repair facility and how to send your rotary unit, go to  www.haascnc.com.

A / B Axis

Place a flat rectangular magnet on the flat part of the TR as shown in the picture. The flat side that will be used to measure backlash should be pointed to the center of rotation of the axis. 

Set the tip of the dial indicator on the flat surface of the magnet as shown in the picture. Pull the bar three times to get the gear teeth fully engaged in one direction and set the dial gage to zero. 

Push the bar in the opposite direction once and read the dial gage. It will show the amount of backlash. 

C Axis

Disconnect the air supply to the rotary.

Put the dial indicator on the rotary as shown in the illustration.

Use an aluminum pry bar (approx. 1" X 1/2" X 18") to push down the spindle [2] at about 15 ft-lb (20 N-m), and then release. Set the indicator dial to 0.

Use the pry bar to push up the spindle [2] at about 15 ft-lb (20 N-m), and then release.

If the indicator [1] shows more than 0.0005" (0.01 mm), the adjustment of the spindle backlash is necessary.

For this adjustment you must send the rotary to a certified rotary repair facility.

For instructions on where to find a rotary repair facility and how to send your rotary unit, go to  www.haascnc.com.

A Axis

Place a magnetic block on the front of the TRT platter as shown in the following image. 

Place the dial gauge tip on side of the block's machined surface. [1]

Note: Measure how far the tip of the indicator is to the  A -Axis of rotation [2].

Zero the indicator, then move the A axis towards the indicator (.001). This will allow enough rotation to engage the gears in one full direction. 

Important: Write down the initial measurement found of the dial indicator as this value will be used later. 

Select the smallest increment (.0001) and move away from the indicator 10 times.

Note: Backlash value will be the difference from the starting measurement subtracted by the final position found on the dial indicator. 

B Axis

Place a magnetic block on the front of the TRT platter as shown in the following image. 

Place the dial gauge tip on side of the block's machined surface. [1]

Note: Measure how far the tip of the indicator is to the  B -Axis of rotation [2].

Zero the indicator, then move the B - Axis towards the indicator (.001). This will allow enough rotation to engage the gears in one full direction. 

Important: Write down the initial measurement found of the dial indicator as this value will be used later. 

Select the smallest increment (.0001) and move away from the indicator 10 times.

Note: Backlash value will be the difference from the starting measurement subtracted by the final position found on the dial indicator. 

Note: The TRT 100 can be back driven so it needs to be plugged into power and disconnected to air. 

Change the units to lbf, as follows:

• Hold [0] and [9] and push [POWER] at the same time [1].
• Push [SELECT] again and again until the display shows lbf.
• Hold [POWER] until the power goes off.
• Push [POWER] to start the meter.

To show Hz in the display , push [HZ] [2] again and again until the display shows Hz [3].