Document a12bL458M0JE7JnY1pLKogw7M

MULTIBESTOS HANDBOOK FOR B.RAKE SERVICE HUCK BRAKE (Two Long Shoes) HuCK brakes with two long shots are fundamtotally tbs lima as ths earlier type with the long and ahort ahoe. Except for the 1934 Chevrolet they have a floating ahoe and an anchored ahoe. In the 1934 Chevrolet brake both shoes floated. On the 1934 Chevrolet, both the ahoea have articulating- (hinge) Unke that are Interchangeable. On the 1935 models, the articulating (hinge) link of the reverie ahoe ia alightly curved and fita over a pin faatened In the anchor end of the reverie acting ahoe. The reverie ahoe now being held at two points is prevented from lifting away from the drum when the brake ia applied with the car in forward motion. Thla gives more uniform wear. Ai in all previous model! of this type of brake, it is essential that shoes be held as rigid ai possible to avoid squeaks, squeals and groans. The brake clip on the forward shoe has a steel spring, while the clip on the reverse ahoe holds the ahoe snugly only when squetred together tightly. Spring waihere hold the hinge links securely to the ahoe. These must be tight to avoid looaeneas of the shoes but must not bind. Anchor pirn, hinge pins and spring clips should be lubricated with fibre grease to assure easy brake action. A short rigid cross shaft is used on the 1934 and 1935 Model Chevroletl. This takes the place of the floating full length cross shaft uaed on 1933 and earlier models and helps overcome the difficulty previously experienced in balancing braking per formance between front and real wheels. The axle shaft on the 1934 and 1935 modela. Blrallar to that on the 1933 model, is pressed into a flange which is attached to the drum and ia so arranged that a wheel-puller cannot be used to remove the rear wheels and drums from these cars. There are no peep holes in the drums to examine the brake lining. See Page 30 for procedure for removing rear wheels. 32 MULTIBESTOS HANDBOOK FOR BRAKE SERVICE Brake Adjustment for T934-35 Chevrolet Huck Broke* Major Adjustment !| 1. Disconnect pedalpull back spring and pull rod, front and rear pul! rods and hand bfake pul! rod. , 2. Set hand brake lever to extreme forward position and assemble hand brake pull rod after it has been set to its proper length (1SJ." between rear of front hole and rear of slot at opposite end) (1154* for DB -/, ton truck). ' ; ' 1 3. Hook up pull back spring and set brake pedal stop for %' clearance between floor board and pedal. 4. With the brake pedal against its stop, j adjust the pedai pull rod to its proper ! length, connect up front and rear brake rods and cables totake up all ! slack. Do not move cam levers away from their stops in hooking Up the brake rods. 5. Centralize shoes in drum as follows: (a) Loosen cam centralizing bolt <3). (b) TigVcn up on adjusting nut or screw f A) until heavy drag is obtained. (c) Tighten centralizing bolt (B). 5. Adjust clearances by backing off adjusting nut (A) until wheels turn freely. 7. Equalize by loosening adjusting nut (A) on tightest wheel. THE SAME GENERAL ADJUSTMENT PROCEDURE APPLIES TO BUICK AND CADILLAC HUCK BRAKES WITH LONG SHOES. Average time to retine four wheel brakes between 4 and 6 hour*. Maintenance Suggestions The maintenance tuggestions shown on Pages 20-31 for the long and short mhoe type of Huck brakes also apply to this brake mechanism. Front brake cablet on 1934-35 Chevrolet* are identified by a letter "I/* or "R" on the brake rod end- These cables are not interchangeable. In aisembling thoes, watch movement of articulating link and shoe. On spring clip# that hold articulating link to brake shoe be aure they are well lubricated with fibre grease. Do not tighten nut so that correct brake action is retarded. We suggest ia tightening that the nut be fully tightened and then backed o5 yA turn. Squealing on the rear brakes of Chevrolet passenger cars and trucks is usually due to the fact that the lining is making toe contact only. Very often it is found that the nut at the end of the articulating link where it connects with the brake shoe is too tight. This does not allow easy pivot action of the brake shoe and defeats the purpose of the articulating links (hinge link). Loosening this nut and lubricating it usually overcomes squealing. On some of the heavy cars equipped with Huck brakes, washers are used an fillers and additional washers may be used to take up side play of the shoe and yet not make the shoes bind. The front end shimmy on 1924 Chevrolet can often be overcome by tightening the steering mechanism and truemg tip the drums. However, several cases have been found where the bushing in the backing plate wliich goes over the spindle it worn so much that it is necessary to replace it. ' 33