Threader PM 1

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1. For efficiency, have all tools/materials known to be needed for the scheduled maintenance ready prior to starting 2. Communicate with supervisors/operators of the scheduled maintenance to be performed. Briefly discuss how the equipment is running and if there are any problems that they know of that need to be addressed. Inform them of the pending LOTOTO of the machine 3. Do a walk around, checking the general condition for any obvious damage/deficiencies. 4. Perform systems check; making sure safety devices, bin arms, rollers, etc. are functioning properly. 5. Perform LOTOTO procedures. Procedures should be in the document box located on the machine. Perform “Group LOTOTO” procedures if more than one person is working on the machine. 6. Perform all scheduled maintenance 7. If replacement parts are necessary, look for them in inventory first. Parts that need to be ordered, must be cleared through the proper supervisor’s/managers. 8. Take all necessary precautions if LOTO locks are to be removed for testing purposes. Replace them after the test run has been performed 9. Replace all guards upon completing the service 10. Inform all necessary personnel of the intent to remove the LOTO locks prior to removing them. 11. Do final systems check 12. Inform all pertinent parties, that the machine is ready to go back into production and/or and problems that would affect the safe operation of the equipment (i.e., parts that need to be ordered)

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Parts Ordering/Notes or Comments

Does the shop have enough roughers and chasers?
How many 1.25 mm, 2.00 mm, and 3.50
Do they have enough of the other parts to order (bolts, woodruff keys, etc.)?
Comments

100 HOUR SERVICE

What are the hours of the machine?
Perform a systems check of safety devices and machine functions
Perform LOTOTO
Lightly lubricate safety hood rollers with oil (2,table 32). See A and D of figure 16
Applly a light coating of oil (2, table 32) to exposed surfaces of way bars. See E of figure 16
Check hydraulic oil reservoir by viewing the sight glass (2). If the reservoir is in need of additional oil, remove breather/filler cap (1) and fill as required. Refer to figure 21
Replace all guards and safety devices. Collect all tools from the area
Perform a systems check of safety devices and machine functions
Inform personnel around the area that LOTO Locks are being removed
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Is this a 250 Hour Service
Replace hydraulic spinon oil filter The filter (4) is located on the upper side of the hydraulic pump assembly found at the rear of the threader, refer to fiure 21. With the aid of a oil filter wrench, turn the filter counterclockwise., when viewed from the bottom of the oil filter, to loosen. Remove and replace with specified oil filter, ref. table 32. Use of any other type of oil filter may result in poor performance of hydraulic unit and/or premature wear of hydraulic pump
is this a 1,000 Hour service?
Remove panel from right side of threading machine by removing hex head bolts and lift tabs from right side of threading machine
Remove screws attachiing right side panel to threading machine weldment
Slide the safety door forward. During removal of the top cover, depress microswitch actuator in the cutout of the top cover to prevent damage to the actuator. Remove the top cover from right side of the threading machine by removing the screws that attach cover to threading machine weldment. Remove the screws attaching the fromt lower right panel
Check 2 gear reducers and transmission for evidence of seal leakage. See F of figure 16. If leakage is apparent conact ERICO Inc. at (216) 2480100
Inspect the ends of the Gortiflex tubing on ball screw drive assembly to ensure a tight and dust proof seal. See E of figure 16
Check fluid level of the ball screw drive assembly gear reducer at the pipe plug. Make a dipstick using a CLEAN piece of wire about 1/16" as shown in figure 23. Check by removing the fill plug/vent on top of the reducer. See F of figure 16. Insert the wire into the reducer untiol scrive mark is even with the top of the reducer. Using the dipstick, make sure that the fluid level is approx. 4" from the top of the reducer
If fluid level is low, add oil (4, table 32) until level is 41/4" from the top of the reducer
If level is too high, loosen the pipe plug in the bottom of the reducer and slowly drain the oil down to the correct level. Tighten the pipe plug securely
Install fill plug/vent on top of reducer
Check fluid level on the main spindle assembly gear reducer as follows. See F of figure 16. Remove the fluid level check pipe plug on the side of the reducer. The fluid shall be level with the threaded hole
If fluid level is low, remmove the fill plug and add oil (4, table 32) until level with the check plug threaded hole. Install and tighten the check and fill pipe plugs securely
If fluid level is too high, allow excess to drain off into a suitable container through the check plug
Check Transmission fluid level by removing the fluid level check pipe plug on the transmission. The fluid shall be level with the threaded hole
if low, add oil (3,table 32) through fluid level check threaded hole until level with the threaded hole. Install and tighten the pipe plug securely
If high, allow excess to drain off into a suitable container through the check plug threaded hole
WITH THE THREADER PROPERLY LOCKED OUT, check tension on the belt running from the transmission to the machine bed assembly gear reducer. See F and G of figure 16. At the midpoint of the belt ran, you should not be ab le to deflect the belt more than 1/4". If adjustment is required:
Unlock and lower the transmission using the adjusting mechanism until the above tesion requirement is met
Lock the transmission in place using the jam nuts of the adjusting mechanism
Check tension onn matched set of belts running from AC motor to the transmission. At the midpoint of the belt run (halfway betgween pulleys), you should not be able to deflect the belt more than 1/4". If adjustment is required:
Use adjustment screw at motor base, and move the motor away from the transmission
Continue adjusting until tension on belts is as described above
Change hydraulic oil located in the reservoir. When oil is contaminated prior to the maintenance schedule, it should be changed immediately to avoid damage to the hydraulic unit
To drain hydraulic oil, remove drain plug (3) located at the bottome of the left side of the reservoir when viewed from the rear of the trreader, refer to figure 21. Replace with the specified motor oil, ref. table 32. Use of any other oil will possibley result in poor performance of the hydraulic unit and/or premature wear of the hydraulic pump
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Is this a 2,000 hour service?
Lubricate vise weldment way bar tube as follows: A. Operate a hand grease hun until clean grease (5,Table 32) flows from nozzle. B. Wipe with a clean cloth. C. Apply grease to two grease fittings installed in vise weldment way bar tube. Approximately two complete strokes of grease gun lever will provide sufficient grease to way bar tube. D. Apply grease to the single grease fitting installed in vise weldment way bar tube that is reached through access hole in the back of the threading machine. approximately two complete strokes of grease gun lever will provide sufficient grease to way bar tube. E. Lubricate three grease fittings installed in control ring weldment way bar tube as follows. See E of figure 16. C. Apply grease to theree fittings installed in control ring weldment way bar tube. Approximatgely two complete strokes of grease gun lever will provide sufficient grease to way bar tube
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Is this a 5,000 hour service?
Service coolent reservoir as follows:
Close 1/2 inch NPT gate valve located on the right side of the threading machine
Remove 1/2 inch NPT pipe plug located just below the gate valve on the right hand side of the threading machine
Using 1/2 inch NPT pipe and fittings, fabricate plumbing as needed to direct coolant/thread cutting oil into a suitable container. See sample fabrication in H of figure 16
A sheet metal screen and coffer dam installation has been fabricated and installed over the coolant pump suction area. Remove it by removing the cap screw holding int in place. Slice sheet metal screen and coffer dam up and out of coolant pump suction area
Place a suitable container beneath fabricated plumbing arrangement
Close safety hood. Rotrate MAN AUTO switch to MAN
Remove fabricated plumbing and install the pipe plug that was previously removed, tighten securely
Place a suitable container beneath the coolant reservoir drain and remove the pipe cap. Leave the container in place
Remove sludge and metal cuttings from reservoir
Clean the inside of the reservoir and sheet metal screen and coffer dam with rags dampened in mineral spirits (6, table 32). Remove all residue Allow mineral spirits to evaporate
Install the pipe cap on reservoir drain, tighten securely. Remove container from reservoir drain
Make sure the pipe plug is securely threaded into the coolan reservoir drain
Slide sheet metal screen and coffer dam down and into position in the coolant pump suction area. Install cap screw and nut holding it in place. Tighten cap screw and nut securely
Fill coolant reservoir with 12 gallons of used or new of ERICO Inc. coolant/thread cutting oil (1, table 32)
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