Long-Term Pavement Performance Program Falling Weight
Deflectometer Maintenance Manual
Appendix: Scheduled Maintenance Lo
SCHEDULED MAINTENANCE LOG FOR FWD
TRAILER
(Revised: 12 July 2005)
| Date |
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| Owner |
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| Model No. |
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| Serial No. |
|
| Hour meter/Drop counter - Incoming,
Outgoing |
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| Date |
Insp. Initls. |
Maintenance Required |
Maint. Performed |
Page No./ Figure No. |
Comments |
| Hydraulic System and Related
Components: |
| |
|
Change hydraulic oil/filter |
Annually |
P-26/F-44 |
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Inspect rubber pad on load cell |
Daily |
P-53/F-97 |
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|
Grease load cell |
Monthly |
P-52/F-96 |
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|
Lubricate guide rollers |
Weekly |
P-23/F-39 |
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Visual inspection of excess pressure |
Daily |
P-26/F-44 |
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Inspect load cell swivel operation |
Monthly |
P-50/F-92 |
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Inspect load cell attaching brackets |
Monthly |
P-51/F-94 |
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Lubricate upper catch assembly |
Weekly |
P-44/F-84 |
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Rotate catch assembly |
Daily |
P-45/F-85 |
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|
Check hydraulic oil level |
Daily |
P-15/F-25 |
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|
Check guide profiles and shims |
Annually |
P-19/F-32 |
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|
Check side cylinder bolts |
Every 6 months |
P-46/F-87 |
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Check center cylinder for leaks |
Monthly |
P-35/F-65 |
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Check A/B valve for leaks |
Monthly |
P-26/F-44 |
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|
Check hydraulic lines and connections for leaks |
Monthly |
P-24/F-40 |
|
SCHEDULED MAINTENANCE LOG FOR FWD
TRAILER
| Date |
|
| Owner |
|
| Model No. |
|
| Serial No. |
|
| Hour meter/Drop counter - Incoming,
Outgoing |
|
| Date |
Insp. Initls. |
Maintenance Required |
Maint. Performed |
Page No./ Figure No. |
Comments |
| Hydraulic System and Related
Components (Continued): |
| |
|
Inspect side cylinder for leaks |
Monthly |
P-46/F-86 |
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| |
|
Inspect strike plate hardware |
Monthly |
P-49/F-90 |
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|
Check center cylinder to strike plate nut |
Annually |
P-29/F-51 |
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|
Check condition of buffers |
Monthly |
P-23/F-39 |
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SCHEDULED MAINTENANCE LOG FOR FWD
TRAILER
| Date |
|
| Owner |
|
| Model No. |
|
| Serial No. |
|
| Hour meter/Drop counter - Incoming,
Outgoing |
|
| Electronics/Electrical
Components: |
| |
|
Inspect trailer battery - Clean terminals/check water
level |
Monthly |
P-18/F-28 |
|
| |
|
Inspect electronics battery (in vehicle) |
Monthly |
P-72/F-137 |
|
| |
|
Clean ground terminals (two in trailer) |
Monthly |
P-3/F-1 and P-4/F-2 |
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| |
|
Inspect four proximity switches |
Monthly |
P-67/F-129 |
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| |
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Inspect PS1/PS2 switches |
Monthly |
P-27/F-46 |
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| |
|
Clean fuse block terminals (trailer) |
Every 3 months |
P-72/F-137 |
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| |
|
Inspect hydraulic motor brushes |
Every 6 months |
P-25/F-43 |
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| |
|
Check charging plug from vehicle to trailer connection |
Every 3 months |
P-70/F-134 and 135 |
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| |
|
Check power control board connections |
Every 6 months |
P-18/F-29 |
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| |
|
Check seismic sensor connections |
Monthly |
P-71/F-136 |
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SCHEDULED MAINTENANCE LOG FOR FWD
TRAILER
| Date |
|
| Owner |
|
| Model No. |
|
| Serial No. |
|
| Hour meter/Drop counter - Incoming,
Outgoing |
|
| Electronics/Electrical
Components (Continued): |
| |
|
Check air and infra-red sensor connections (optional
equipment) |
Monthly |
— |
|
| |
|
Clean and inspect multisignal cable |
Every 3 months |
— |
|
| |
|
Clean inside of 9000 processor |
Annually |
P-68-69/F-131 and 132 |
Use extreme caution |
| |
|
Check air-gap vehicle-mounted DMI |
Annually |
P-70/F-133 |
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| |
|
Clean connectors in electrical control box |
Annually |
P-68/F-130 |
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| Raise/Lower Bar
Assembly: |
| |
|
Lubricate front pulley wheels |
Monthly |
P-57/F-105 |
|
| |
|
Lubricate rear pulley wheels |
Monthly |
P-47/F-88 |
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| |
|
Check rut bar depth - adjust |
Annually |
P-59/F-109 |
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| |
|
Check geophone holders |
Monthly |
P-59/F-110 |
|
| |
|
Check geophone holder springs |
Monthly |
P-61/F-113 |
Replace as a set |
| |
|
Check geophone clamping disk |
Monthly |
P-60/F-112 |
|
SCHEDULED MAINTENANCE LOG FOR FWD TRAILER
(Revised: 12 July 2005)
| Date |
|
| Owner |
|
| Model No. |
|
| Serial No. |
|
| Hour meter/Drop counter - Incoming,
Outgoing |
|
| Date |
Insp. Initls. |
Maintenance Required |
Maint. Performed |
Page No./ Figure No. |
Comments |
| Raise/Lower Bar Assembly
(Continued): |
| |
|
Lubricate foam guide |
Monthly |
P-60/F-112 |
|
| |
|
Raise/lower bar cable (inspect) |
Monthly |
P-57/F-105 |
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Raise/lower bar rear guide and bolt |
Annually |
P-55/F-102 |
Re-apply thread locker |
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