The Automobile Storage Battery Part 59

Type "DJ"

The Vesta Company has added a new plate size, produced in the "D"

style (one-piece) isolator only, and known as "DJ."

This plate is one-half inch higher than the "U," as shown in Fig. 267.

It has 10 per cent more capacity. "DJ" batteries are available in all forms corresponding with "CU" types, and can be obtained by merely changing the type form name in ordering, as for example, to replace form 150, 6-DJ11-Y-150. The overall height of the completed battery is, of course, one-half inch more, and the "DJ" should therefore be ordered only when this additional height s.p.a.ce is available in the battery compartment of the car.

Vesta Separators

The Vesta separators, or "mats," are treated by a special process. The Vesta Company considers its "mats" a very important feature of the battery. See page 15.

Vesta Post Seal

A lead collar fits over each post to hold the cover tight against the soft rubber gasket underneath. This collar is not screwed or burned on the post, but is simply pressed down over the post, depending for its holding power upon the fact that two lead surfaces rubbing against each other tend to "freeze," and unite so as to become a unit. The connector rests upon the upper race of the collar, and also helps to hold it down in its proper position. Fig. 270 shows the complete battery with the lead collar, and the large vent plug.

In rebuilding Vesta batteries having the lead collars, the cover should be left in place when working on the plates, if possible. If, however, it is necessary to separate groups, and the lead collars must be removed, this is done as shown in Fig. 271. A few blows on the side of the collar with a light, two ounce hammer expands the lead collar several thousands of an inch so that the collar may be removed.

[Fig. 271 Expanding lead collar of Vesta battery with light hammer]

[Fig. 272 Placing soft rubber gasket over post of Vesta battery]

In replacing the covers, the lead collar must be forced down over the post, and special pressure tongs are required for this purpose. Before driving on the old collar, the post should be expanded slightly by driving the point of a center-punch into the shoulder on the post.

Instead of expanding the shoulder a new collar may be used.

Fig. 272 shows the soft rubber gasket being placed over the post, and shows the construction of the cover with its recess to fit the gasket.

Fig. 273 shows the lead collar being placed over the post after the cover is in place.

Fig. 274 shows the special long lipped tongs required to force the collar down on the post shoulder. One lip of the tongs has a hole into which the post fits. The necessary driving force may be obtained by applying pressure to the ends of the lips of the tongs With an ordinary vise. This forces the cover down on the rubber gasket to make the acid-tight seal.

[Fig. 273 Placing lead collar over post of Vesta battery]

[Fig. 274 Pressing lead collar over post of Vesta battery]

WESTINGHOUSE BATTERIES

Westinghouse batteries have a special seal between covers and posts, as shown in Fig. 275. A lead foundation washer (J) is set around the post. A "U" shaped rubber gasket, (K) is then forced between the cover and post, with the open end up. The lips of this gasket are tapered, with the narrow edge up. A tapered lead sleeve (L) is then forced between the lips of gasket (K), thereby pressing the inner lip against the post and the outer lip against the cover.

[Fig. 275 Westinghouse battery, partly dis-a.s.sembled]

The lead sleeve is held in place by broaching or indenting the collar on taper lead sleeve into the posts.

To break the seal, a hollow reamer or facing tool, fitted into a drill press or breast drill, is slipped over the post. A few turns will remove that part of the sleeve which has been forced into the post.

Remove sealing compound around cover, remove group from cell. The cover can then be lifted off and if any difficulty is experienced, it can easily be removed by prying up cover with screwdriver. After removing the cover, the tapered lead sleeve and "U" shaped gasket can be removed. If these instructions are followed, the "U" shaped gasket and taper lead sleeves can be used when battery is rea.s.sembled.

With the addition of the foregoing instructions on the post seal, the standard directions for rebuilding batteries given on pages 328 to 374 apply to Westinghouse batteries.

Westinghouse Plates

In any given size, the Westinghouse battery has two more plates per cell than the usual 1/8 inch plate battery. It has the same number of plates as the 3/32 inch thin plate battery, but the thickness of the plates is about half-way between the 1/8 inch and 3/32 inch plates.

The Westinghouse negative grids, Fig. 276, have very few and small bars, just enough to hold the active material. It is slightly thinner than the positive but has the same amount of active material, due to the design of the grids. The condition of Westinghouse negatives should not be determined by cadmium readings as these plates may be fully charged and yet not give reversed cadmium readings.

[Fig. 276 Westinghouse positive and negative plates]

Aside from the special instructions given for the Westinghouse Post Seal, the Standard Instructions for Rebuilding Batteries, given on pages 328 to 374 may be used in rebuilding Westinghouse batteries.

TYPES OF WESTINGHOUSE BATTERIES

Type "A" Batteries

The type "A" series was designed to fit the battery compartment in certain rather old models of cars. Owing to a lack of s.p.a.ce this series is not of as efficient design as the "C" and "B" series. It does have the Westinghouse Post Seal, however.

Type "A" batteries are not recommended for use when "B" or "C"

batteries can be used.

Ampere Hours Ampere Ampere Length Weight at Usual Rate for Rate for in Inches in Type Part No. Lighting Rate 20 Minutes 5 Hours L. Pounds ---- -------- ---- - -------- ------

6-A-11 100071 64 68 9.1 8 38 6-A-13 100072 79 82 11.0 9-1/8 42 6-A-15 100073 94 96 12.8 10-1/4 46 6-A-17 100074 109 109 14.6 11-9/16 52 6-A-21 100075 139 136 18.2 14-3/16 63 6-A-25 100076 169 164 22.0 17 75 12-A-7 100077 34 41 5.5 10-7/16 48 12-A-11 100078 64 68 9.1 14-15/16 70 12-A-17 100079 109 109 14.6 22-1/16 102

Plates

Width Height Thickness ----- ------ 5-5/8 4-1/8 .098

Type "B" Batteries

The type "B" series of batteries has been designed for use on a number of cars now in service that do not have a sufficient headroom in the battery compartment for type "C."

Type "B" batteries carry all of the features of the type "C." Due to the fact that the plates of necessity must be somewhat shorter than in the type "C" batteries their efficiency from the point of ampere hours per pound of weight is slightly less than the type "C" series.

Ampere Hours Ampere Ampere Length Weight at Usual Rate for Rate for in Inches in Type Part No. Lighting Rate 20 Minutes 5 Hours L. Pounds ---- -------- ---- - -------- ------ 6-B-7 100031 41 44 6.6 5-3/4 30 6-B-9 100032 59 66 8.8 6.7/8 36 6-B-11 100033 77 82 11.0 8 41 6-B-13 100034 95 99 13.2 9-1/2 47 6-B-15 100035 114 115 15.4 10-1/4 52 6-B-17 100036 132 131 17.6 11-9/16 57 6-B-19 100037 150 148 19.8 12-7/8 60 6-B-21 100038 168 164 22.0 14-3/16 68 6-B-23 100039 186 181 24.2 15-1/2 75 6-B-25 100040 205 197 26.4 17 82 12-B-7 100041 41 49 6.6 10-7/16 54 12-B-9 100042 59 66 8.8 12-11/16 66 12-B-11 100043 77 82 11.0 14-15/16 78 12-B-13 100044 95 99 13.2 17-3/16 91 12-B-15 100045 114 115 15.4 19-7/16 102 12-B-17 100046 132 131 17.6 22-1/16 113