Becker TLF 2.250 Guide

Maintenance Walkthrough TLF 2.250

TABLE OF CONTENTS
PREVENTATIVE MAINTENANCE SCHEDULE..............................................................................................................1
PUMP OVERVIEW...........................................................................................................................................................2
CHANGING FILTERS ...................................................................................................................................................... 3
CHANGING FILTERS ...................................................................................................................................................... 4
GREASING.......................................................................................................................................................................5
CHECKING AND CHANGING VANES............................................................................................................................6
CHECKING AND CHANGING VANES............................................................................................................................7
CHECKING AND CHANGING VANES............................................................................................................................8
CHECKING AND CHANGING VANES............................................................................................................................9
CHECKING AND CHANGING VANES..........................................................................................................................10
CHECKING AND CHANGING VANES..........................................................................................................................11
VANE BREAKAGE .......................................................................................................................................................12
VANE BREAKAGE .......................................................................................................................................................13
SPARE PARTS OVERVIEW..........................................................................................................................................14
ACCESSORIES..............................................................................................................................................................15
ACCESSORIES..............................................................................................................................................................16

Maintenance:
Preventative Maintenance Schedule:
•Every 40 to 200 Hours
oCheck and clean air intake filter. Every 4 filter cleanings a new filter should be installed and
minimally every year.
oBlow dust and debris off outside of pump
•Every 3000 Hours
oGrease bearings with pump running. Remove filter cover and place filter over direct inlet to
pump and start pump. Remove grease fitting covers and pump gun
25 times in each fitting
oCheck Vanes for minimum width. Replace if necessary.
2.200/250/250SK – 41mm minimum width
2.400/500 – 60mm minimum width
oInspect vanes for improper wear (cupping or uneven wear). Replace if necessary.
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Pump Overview
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VTLF 2.200-3.60 *(SK)
VTLF 2.400-2.500

Changing filters
•Every 40-200 Hours:
oIf installed Check and clean air intake filter.
oMax of 4 blast air filter cleanings.
A new filter should be installed if clogged.
A new filter should be installed annually.
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Remove the 4 hand knobs
SK Version has two smaller filters below main filter chamber

Changing filters
oRemove all air filters and check for contamination.
oBlowing out the air filter with compressed air is not always enough.
oUse a flashlight or hold up to a light source. You should be able to see light coming through the
filter. If not, exchange immediately.
oBlow out any debris found in the filter chamber.
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Clogged
Clean

Greasing
•Grease BearingsEvery 3000 Hours:
oPlace the filter back over the non-return valve.
oRemove the plastic caps covering the grease ports.
o25 times in each fitting
oGrease while running
Grease gun part number = 74330500000
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Checking and Changing Vanes
1. Remove the air guide cover.
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2. Remove all of the M13 end-shield bolts.
13mm socket

Checking and Changing Vanes
4. Tighten bolts to pull off the end-shield.
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3. Use 2 of the removed M5 bolts found on the air guide cover and thread them into the empty threaded jack holes.

Checking and Changing Vanes
1. Remove the vanes.
2. Measure the height and compare the value against the min spec listed on the maintenance sticker.
3. If the value is close or at the min spec replace the vanes.
a. If there any signs of improper wear is present, (I.E. Chipping, diagonal wear or cupping,) replace
the vanes.
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Tip: 2.400-2.500 units have 2 vanes per slot. Gently remove the back sets with long pliers.

Checking and Changing Vanes
1. Wipe away any grease from the rotor, clean up the end-shield and vane slots.
2. Use Scotch Brite™ to clean surfaces. Do not remove large amounts metal. (No machining.)
3. Brake Cleaner can be used to clean with.
3. Light grit sand paper (220) can be used to clean out thevane slots.
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Checking and Changing Vanes
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Checking and Changing Vanes
1. Align the guide pins back up and insert them into the tolerance holes.
2. Take care when installing. If the pins are not inserted correctly, the internal components may contact!
Incorrect!
3. Insert all of the End-shield bolts back and fasten the end-shield onto the housing.
4. Install the plastic air guide cover back on to the unit.
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Vane Breakage
•Troubleshooting:
oVane breakage after commissioning.
Rotor turns backwards. (Check the electrical connection!)
Pump has been stored in very humid ambient.
•Swelling of vanes; corrosion on surfaces.)
oVane breakage
Too many start/stops.
•Limit 6 per hour.
Rotor turns backwards due to missing check valve.
Overload (Clogged filter cartridges).
Grease was not removed from the face of the end-shield causing the vane
to stick in the slots.
Non-Becker Vanes are used.
Vanes cupping due to overheating.
Blocked Relief valve.
Pump was not configured for altitude.
Too much discharge plumbing.
Rotor has swelled due to overheating and contacted the end-shields.
•If you see signs of contact, call your Local Becker representative.
End-Shield - contact
Rotor - contact
Cupping
Chipping
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Vane Breakage
Cleaning:
1. Remove all side covers andopen the working chamber.
2. Use compressedair and clean out all brokenpieces of vanes.
3. Clean out the discharge side and blow off valve.
4. Wipe clean with Brake Cleaner.
5. Install new set of vanes and make sure they fall freely from the slots against their own weight.
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Spare Parts Overview
Included in Kit:
oCarbon Vanes
oGrease
oFilters
Click the Becker Logo for Operation instructions and Spare parts lists
Or
Visit www.Beckerpumps.com
VTLF 2.200/250 Non SK
338038M0000
VTLF 2.250 SK
338037M0000
VTLF 2.400/2.500
338068M0000
Maintenance Kits
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Accessory Options
1. Digital Vacuum Gauge:
a. Becker Digital 0-30” Vacuum Gauge.
2. Liquid Fill Vacuum Gauge:
a. Becker Liquid Fill 0-30” Vacuum Gauge.
3. Cyclonic Filter:
a. Relief Valve Filter
4. External Filter Assembly with Check Valve and Gauge:
a. Check Valve Assembly.
b. Option 1 = Metal Canister Filter.
c. Option 2 = Clear Cover Filter.
Metal Canister
Clear Cover Canister
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Accessory Options
5. 1-Phase to 3-Phase Converter:
6. Soft Start / VFD / Motor Protector:
a. Input = 230V 1-Phase (Phase Converter.)
b. Input = 230V, 460V, 575V3-Phase.
7. Manual Motor Starter:
a. Protects the motor from overload.
8. Zerk Fitting Conversation kit W/ Industrial Grease Gun:
9. Spin Meister for extreme filtration:
Click the Becker Shop Logo below or visit www.Beckerpumps.com/shop
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