[PRCo] Re: Brakes on Pittsburgh PCCs
prcopcc at p-r-co.com
prcopcc at p-r-co.com
Sun Jul 9 07:19:07 EDT 2006
Hi Fred!
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Thank You Very Much for taking the time to type and send this document --
It I-S Most Interesting!!!
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Jim___Holland
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> Fred Schneider writes:
.
> I found a rather unique document in my files that lists brake
> apparatus on Pittsburgh PCCs as of 6 December 1955. It is copied in
> its entirety below.
> Jim Holland and Boris Cefer will have a field day!!!
>
> BCC to Hamley, Wells, King, Skrbin,Lybarger, and Orient. Yins may
> want to file this in the shop for the day when you have to work on
> 1138 or 14whatever or 1799 ex 1613 or whatever it was. Judging from
> this, our 1400 is a stock 1400 with B2 trucks and more or less
> regular braking but I notice that a lot of the 1400s were rewired for
> EDB.
> ____________________________________________________________________
>
>
> 12-6-55
> Cars with Special Equipment, Types of Brake Valves and Lock Out Relays
> on P. C. C. Cars
>
> M-11 1500 type trucks, 1000 type Westinghouse Motors.
>
> 1230 1500 type trucks, 1500 type Westinghouse Motors. Exended
> dynamic braking
> and motor mounted drum brakes. Wiring changes see
> Drwg. No. 7D-7490.
>
> 1224 to 1274 incl. Extended dynamic braking and Westingthouse Air
> Brake Co., pinion
> mounted drum brakes. (except car 1230). For
> wiring changes see Drwg. 77-7720
> except cars 1225 and 1250 see Drwg. 7D-7445.
>
> 1278 1600 type trucks, 1600 type G. E motors. Extended
> dynamic braking to 2 M/hr.
>
> 1401 Accelerator cam switch sequence is different than other
> 1400 cars. Wiring changes -
> see Dwrg. 7D - 7199.
>
> 1410 Westinghouse Air Brake Co., pinion mounted drum brakes.
> Extended dynamic
> braking. For wiring changes see Drwg. No. 7B-7453.
>
> 1429 Westinghouse Air Brake Co., pinion mounted drum brakes.
> Extended dynamic
> braking.
>
> 1430 Westinghouse Air Brake Co., pinion mounted drum
> brakes. Extended dynamic
> braking.
>
> 1431 1400 Type trucks with 1600 type Westinghouse motors.
> Clark Equipment Co.
> motor mounted drum brakes and extended dynamic
> braking.
>
> 1444 Westinghouse Air Brake Co., pinion mounted drum
> brakes. Extended dynamic
> braking.
>
> 1445 Westinghouse Air Brake Co., pinion mounted drum
> brakes. Extended dynamic
> braking.
>
> 1446 Westinghouse Air Brake Co., pinion mounted drum
> brakes. Extended dynamic
> braking. For wiring changes see Drwg. No. 7D-7386.
>
> 1447 1600 type trucks with Westinghouse motors. Extended
> dymamic braking and
> Clark Equipment Co., motor mounted drum brakes.
> For wiring changes see
> Drwg 7Dj-7318
>
> 1475-1499 Increase speed of MG set from 1700 to 2200 RPM., See
> Drwg. 7A-8059.
>
> 1480 W. A. B. Co., pinion mounted drum brakes. Extended
> dynamic braking.
> Increased speed of MG set from 1700 to 2200 RPM.
>
> 1483 Extended dynamic braking and wiring changes. - see Drwg.
> No. 7D- 7064.
> Increased speed of MG set from 1700 to 2200 RPM.
> Motor Generator
> control connection diagram, see Drwg. 7B-7724.
> 1600 Clark trucks, 1600
> GE motors and Clark Equipment Company motor mounted
> drum brakes.
>
> 1484 Westinghouse Air Brake Co., pinion mounted drum brakes.
> Extended
> dynamic braking and increased speed of MG set from
> 17600 to 2200 RPM.
>
> 1485 Westinghouse Air Brake Co., pinion mounted drum brakes.
> Extended
> dynamic and increased speed of MG set from 17600 to
> 2200 RPM.
>
>
>
> End Page 1
>
>
> 1500 Clark Motor Mounted 1600 type. Extended Dynamic Braking.
>
> 1501 Westinghouse Air Brake Co., pinion mounted drum brakes,
> 1400 type
> Westinghouse motors, Extended Dynamic Braking.
>
> 1502 Westinghouse Air Brake Co., pinion mounted drum brakes,
> 1400 type
> Westinghouse motors, Extended Dynamic Braking.
>
> 1503 Westinghouse Air Brake Co., pinion mounted drum brakes,
> 1400 type
> Westinghouse motors, Extended Dynamic Braking.
>
> 1504 1600 type trucks, 1600 type Westinghouse motors. Extended
> dynamic braking and Clark motor mounted drum brakes.
>
> 1505 1600 type trucks, 1600 type Westinghouse motors. Extended
> dynamic braking and Clark motor mounted drum brakes.
>
> 1550 to 1564 incl. Increase speed of MG set from 1700 to 2200 RPM.
> See drwg.
> 7A-8059,
>
> 1615 to 1619 incl., 1645-46 and 47 have St. Louis B-3 trucks. W. A.
> B. motor mounted drum brakes.
> (Note 1648 may have also be so equipped but it was lost in the Oct.
> 1955 Home-
> wood fire.)
>
> 1630 Electric controlled ventilating system. See Drwg. No.
> 7B-7799.
>
> 1683. Modified wiring - see Drwg. No. 7D-7578.
>
> Brake Valves - W.A.Brake Co.
> R-8 on 1000-1100-1400 and 1500 series PCC cars
> R-10 on 1200
> R-12 on 1600 except 1615-19-17-18-19-45-46 and 47.
> Modified R12 on 1615,16-17-18-19-45-46 and 47 (see Drwg. 7B-7654)
>
> Lock Out Magnet Valve - G. E. Corp.
> (Non Extended Dynamic Braking)
> Car Nos.
> 1000-1100 (West & GE) 17 MV 15 A1
> 1200 (West. & GE) 17 MV 22 A5
> 1400 (West & GE) 17 MV 15 A2
> 1500 (West & GE) 17 MV 15 C6
>
> Lock Out Magnetgnet Valve - G. E. Corp.
> ( Extended Dynamic Brake Cars)
> Car Series:
> 1200, 1400, 1500, 1600 (West, GE) 17 MV 15 C11
> Except cars 1615, 16, 17, 18, 19, 46 and 17 17 MV 22 A
>
> Lock Out Relay - Westinghouse Corp.
> Car Series
> 1700 (Westinghouse only) URA-12
>
> (S) A. J. Marshall (S) Jos. J. Naegelen
>
> End Page 2
>
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Jim__Holland
I....Like....IKE__---__And....PCCs!
down...with...pantographs.......
UP___WITH___TROLLEYPOLES!!!
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