CHANDLER MODEL 37-A (1928)—AUGUST 1, 1927 TO JANUARY 1, 1928) MODEL 137 (1928—AFTER JAN. 3, 1928) SERIAL NOS. 106001 UP DELCO-REMY GENERATING, STARTING SYSTEM DELCO-REMY IGNITION BATTERY :—Prest-O-Lite, Type 613-JFK, 6 volt, 13 plates. The positive (+) ter- ——————=—= minal is grounded. Starting capacity (20 minute rate) is 102 amperes for 20 min- utes. Lighting capacity (5 ampere rate) is 5 amperes for 17 hours. Battery is mounted under front floor boards on the right frame member. @) IGNITION :—Coil Model 525-C. Ignition current is 2 amperes at 6 volts with engine BY, running and 5 amperes at 6 volts with engine stopped. Coil is mounted in the right front frame channel. ; HRN Distributor Model 658-G (Model 37-A). Breaker contacts separate .022 inch | ——- with breaker arm on lobe of cam. Set contact gap by loosening lock screw on stationary contact plate and turning eccentric adjusting screw until proper settin = is secured. Resurface contacts with a fine flat contact file or on a medium hard f 9 oilstone. Breaker arm spring tension is 17-21 ounces. Breaker uses two sets of contacts on a single four sided cam. Contacts open alternately at intervals of 45 egrees corresponding to 90 degrees of crankshaft rotation. This is the correct fir- – ing interval for the Chandler engine and breaker must be accurately set. See — Timing. Distributor is semi-automatic. Maximum manual advance is 33 degrees (engine). Automatic advance begins at 400 R.P.M. of engine. Maximum auto- matic advance is 35 degrees reached at 2400 R.P.M. Distributor Model 657-A (Model 137). Data identical with Model 658-G. Mounting :—Distributor is mounted on the front of the generator at the right of the engine. To remove distributor, disconnect primary lead and manual advance rod and remove distributor head with cables intact. Then loosen distributor clamp screw and lift distributor from place. LIGHTING SWITCH PR Oiling:—Fill the grease cup on the side of the distributor shaft and turn down one turn every month or each 1000 miles. Every month remove the distributor head and rotor and saturate the wick oiler in the center of the shaft with light oil. Put a small bit of vaseline on the breaker cam. Timing:—Synchronization of Contacts: —Use Delco-Remy Tool, Part No. 820738, and follow directions on Page S-25 of National Manual. Contacts can be syn- chronized without tool after distributor has been timed to engine by cranking en- gine over 90 degrees from firing position of piston No. I when piston No. 6 will reach top dead center entering power stroke. The second set of contacts should separate at this point. If they do not, loosen lock screws and turn eccentric adjust- ing screw on breaker plate until contacts begin to open. Tighten the lock screw and check the contact gap with the breaker arm on the lobe of the cam. If it is not within limits of .018-.024 inch reset at .022 inch and repeat synchronizing DIMMER SWITCH spare Fuse seg iming Distributor to Engine:—Breaker contacts begin to separate when the pis- ton entering power stroke reaches top dead center with the manual advance lever fully advanced. To set timing, crank engine until piston No. | enters compression stroke (the upstroke with both valves closed). Fully advance spark control lever. Continue to crank engine until piston No. | reaches top dead center when the fly- wheel mark ‘DC 1&8″ will be directly opposite the indicator on the flywheel case. osen advance arm clamp screw and turn distributor housing until contacts begin to separate. Tighten the clamp screw. Make certain that the rotor is opposite the segment connected to the spark plug in cylinder No. | and connect the remaining STARTING SWITCH ER ‘4 STOP L SWITCH a ae A IGHT SWITCH o Ww spark plugs in order 6-2-5-8-3-7-4 clockwise around the distributor head. Firing Order:—The firing order is 1-6-2-5-8-3-7-4, Te Oo DOME LIGHT Spark Plugs:—Spark plugs are 74-18 S.A.E. Standard. Gaps are .020 inch. Ay E€ CHANDLER MODEL 37-A (1928)—AUGUST 1, 1927 TO JANUARY 1, 1928) MODEL 137 (1928—AFTER JAN. 3, 1928) SERIAL NOS. 106001 UP DELCO-REMY GENERATING, STARTING SYSTEM DELCO-REMY IGNITION VALVE TIMING:—INLET VALVES:—Head diameter, 1 23/32 inches; stem diameter, ¥ inch; stem length, 6 13/32 inches. Valve lift, 5/16 inch. Tappet clearance, .009 inch. Spring pressure, 95 pounds. Inlet valves open 16 degrees before top dead center and close 51 degrees after lower dead center. EXHAUST VALVES:—Head diameter, 1 19/32 inches; stem diameter, 34 inch; stem length, 6 13/32 inches. Valve lift, 5/16 inch. Tappet clearance, “609 inch. Spring pressure, 95 pounds. Exhaust valves open 64 degrees 30 minutes before lower dead center and close 21 degrees after top dead center. Valve stem guides are rmovable. Oversize valve stems are not made. STARTER:—Model 727-A. Starter is connected to the engine through reduction gears and an outboard Bendix drive. The direction of rotation of the armature shaft is clockwise, looking at the commutator end. Starter switch i