Mts Series 322 Load Frames Manuel d'utilisateur Page 74
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Series 322 Load Unit
74
Maintenance
Load Unit: Lubricate the Crosshead Locking Bolts
Lubricate the locking bolts in a manually locked crosshead whenever they begin
to be hard to tighten or sticky when loosened.
1. Remove the covers on the ends of the crosshead. The crosshead covers must
be removed to lubricate the crosshead locking bolts. Four 1/4-20 screws
(two top, two bottom) on each cover need 5/21 hex (not included). Hand
tighten when reinstalling the covers.
2. Position the crosshead at a comfortable working height.
3. Lock the crosshead following your normal crosshead locking procedure.
4. Remove a single locking bolt.
5. Clean the bolt threads with a stiff nylon brush. Use degreaser if necessary.
Dry the threads.
Then lightly lubricate the threads with Molykote G-n paste.
6. Reinstall the locking bolt, tightening it to a value specified in the following
table.
7. Repeat Steps 4, 5, and 6 until all the bolts have been lubricated.
L
OAD UNIT RATING TORQUE
100 kN (22 kip) 190 N·m (140 lbf·ft)
250 kN (55 kip) 271 N·m (200 lbf·ft)
500 kN (110 kip) 271 N·m (200 lbf·ft)
Unscrew one
at a time
Clean and
lubricate
- Series 322 Load Frames 1
- Product Information 1
- Publication information 2
- Technical Support 3
- If You Contact MTS by Phone 5
- Before You Begin 7
- Series 322 Load Unit Preface 9
- Series 322 Load Unit 10
- Conventions 10
- Introduction 11
- What you 12
- 1 Crosshead 13
- 2 Crosshead locks 13
- 3 Crosshead lifts 13
- TEM COMPONENT DESCRIPTION 14
- 322 Basic Specifications 17
- MODEL T-BOLT SIZE ABCDE 18
- T-slot Platen Dimensions 19
- Deflections and Spring Rates 20
- 322.21 322.31 322.41 20
- ARAMETER SPECIFICATION 22
- ODEL LOAD CAPACITY 22
- HREAD SIZE 22
- General Safety Practices 25
- Series 322 Load Unit Safety 27
- Check bolt ratings and 29
- Hazard Icons 33
- 322 Load Unit: Hazard Labels 35
- Installation 39
- Unpack and Move the Platen 40
- Attach straps 41
- 30° maximum 41
- Manually locked 43
- Hydraulically locked 44
- 46
- clamp’s cap 47
- 322.21 322.31 322.41 50
- Operation 51
- Pressure 52
- ONTROL DESCRIPTION 53
- Manually clamping the 59
- OAD UNIT STEP 1STEP 2STEP 3 60
- Maintenance 65
- HAT TO DO WHEN TO DO IT 66
- Load Unit: Daily Inspections 67
- Load Unit: Clean the Columns 67
- Load Unit: Prevent Rust 68
- OAD UNIT RATING TORQUE 74
- 360° 360° 77
- Preloader collar mount 79
- Unscrew/Tighten 81
- Degrees Celsius: 82
- Degrees Fahrenheit: 82
- Check the precharge 83
- Change the Precharge 84
- 244 Actuator: Maintenance 86
- 298 HSM: Maintenance 86
- ILTER PART NUMBER KIT NUMBER 87
- Valve balance 91
- 4. Finish the procedure 93
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