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CNR Form 507 Instructions
1. Show engines in numerical order. Use prefix "x" to indicate engines operating under extension for retubing.
2. Show sheet number at the top of each page.
3. Service to be indicated thus:
P-Passenger F-Freight S-Switch
W-Work LU-Laid Up UR-Under Repairs
WR-Waiting Repairs LSD-Leased REM-Removed From Service
4. Condition to be determined by:
Good:
Mileage basis and tires
Moderate:
Mileage basis and tires
Poor:
1.Mileage basis and tires
2.Under and waiting No. 5 or heavier repairs
3.Outlawed next 3 months if extension is not going to be applied for
5. Condition and mileage to be inserted in office of Supt. M.P.& C.E.
6. Condition according to mileage since last no.5 or heavier to be determined by classes as follows:
Type Of Engine Good Moderate Poor
Hudson Up To 75,000 75,001 To 96,000 Over 96,000
Mountain Up To 60,000 60,001 To 85,000 Over 85,000
Northern Up To 55,000 55,001 To 80,000 Over 80,000
Pacific Up To 60,000 60,001 To 80,000 Over 80,000
Mikado Up To 40,000 40,001 To 60,000 Over 60,000
Consolidation Up To 35/40,000 35/40,001 To 50/60,000 Over 50/60,000
Ten-Wheeler Up To 40,000 40,001 To 60,000 Over 60,000
Santa Fe Up To 35,000 35,001 To 50,000 Over 50,000
Texas Up To 35,000 35,001 To 50,000 Over 50,000
Mogul Up To 35,000 35,001 To 50,000 Over 50,000
Switcher Up To 35,000 35,001 To 50,000 Over 50,000
Suburban Up To 35,000 35,001 To 50,000 Over 50,000
7.
Grooving Flange Height General
(Measured from centre of thread) Condition
1/8" or less 1-1/4" or less Good
Over 1/8" but less than 1/4" Over 1-1/4" but less than 1-3/8" Moderate
Over 1/4" 1-3/8" or over Poor
Measurements to be made to the nearest one-sixteenth 1/16" of an inch.
8. Condition of each individual engine to be indicated by an "X" in the proper column.
9. Thickness of tires shall be indicated as at last turning, until again turned.
10. Remarks column shall be used to:
A. Show present location of engine if at other than the station to which assigned
B. Thickness and location of badly worn flanges
C. Show major defects not otherwise called for by form and other items of interest
D. Show class of repair for engines under and awaiting repairs and if an engine is outlawed, to
indicate same by letters "OL"
11. Engines stored servicable to be listed for condition same as engines in service and shown seperately at end
of report.
12. Engines stored unservicable to be classed as poor and listed seperately at end of report.
13. Engines will be considered as removed from service when held waiting to be sold or scrapped. Condition not
to be shown but engines to be listed seperately and shown at end of report.
14. Total number of locomotives assigned to district to be shown in the space provided on the last sheet onlY
of monthly report.
15. Engines receiving a No. 5 repair or better at other then main shops. A notation must be made in remarks
column showing class of repair and station.
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