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Datsun 1200 mounted the alternator on the left or right side depending on the year.
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Overview
アルタネータ マウンテング
Early A-series engines (1966-1973) mount the alternator down low on the left side of the engine, under the intake manifold as shown in this photo:
1974-up engines mount it high on the right side of the engine:
For the A Engine Redesign, the alternator was moved to this right-side position to make more room for accessories such as Air conditioning pump or Smog pump.
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Left-side Mount
Early A-series engines (1966-1973) mount the alternator down low on the left side of the engine, under the intake manifold as shown in these photos:
V-Belt * 11720-18002 BELT-fan (L=838) B10 * 11720-27720 BELT-fan B10 (op.) Rally * 11720-18002 BELT-fan (L=838) B110 * 11720-25604 BELT-fan (L=856) E10 * 11720-18002 BELT-fan (L=838) E10 (from '72)
BRACKET B10, B110, B120, E10 * 11710-H0100 BRACKET-alternator BOLTS FIXING BRACKET B110/B120 - using studs in engine block ** 08911-20810 NUT (2) ** 08915-43810 WASHER-plain (2) E10 - using bolts into engine block ** 08313-02210 BOLT, fixing bracket (2) ** 08915-14010 WASHER-lock, fixing bracket (2)
B10 EARLY & OPTION * 11710-18000 BRACKET-alternator B10 (replaced by 11710-H0100) * 11710-27720 BRACKET-alternator (506W alternator) (op.) B10 Rally B10 used these to fix bracket to engine block: ** 89-11210-1 NUT, fixing alternator bracket (2) ** 89-15140-1 WASHER-lock, fixing alternator bracket (2) or ** 81-31022-1 NUT (2) ** 89-14140-1 WASHER-lock (2)
Fixing alternator to bracket B10 early ** 11711-18000 BOLT, fixing alternator to bracket ** 89-15140-1 WASHER-lock, fixing alternator to bracket B10 late ** 81-30830-1 BOLT (2) ** 89-11208-1 NUT (1) ** 89-15138-1 WASHER-spring lock (2) ** 89-15438-1 WASHER-plain (1)
B110 ** 08131-02210 BOLT (1) [fixing alternator rear] ** 08915-14010 WASHER-lock (2) ** 08130-83010 BOLT (fixing alternator front) (1) ** 08911-20810 NUT (1) ** 08915-13810 WASHER-spring lock (2) ** 08915-43810 WASHER-plain (1) E10 ** 08130-83510 BOLT (fixing alternator rear) (1) ** 08915-13810 WASHER-lock (2) ** 11713-M0100 NUT-stopper, alternator bracket
Adjusting Bar
Attaches to front face of cylinder head
Thicker version
Adjusting Bar buy at Bprojects B10, E10, B110, B120 early (A10 & A12) * 11715-18001 BAR-adjusting, alternator B10 * 11715-H2300 BAR-adjusting, alternator B110 (to '70-Aug.) [thin ~3.2mm] * 11715-M0100 BAR-adjusting, alternator (from '70-Sept.) [thick ~4.5mm] * 11715-M0110 BAR-adjusting, alternator (op.) E10 1974 Bolts Fixing Adjusting Bar ** 08110-81610 BOLT, fixing adjusting barp ** 08915-13810 WASHER-lock, fixing adjusting bar
Right-side Mount
1974 and up 1200s mount the alternator on the right side of the engine.
H62 low mount (adjuster bolts to bottom bolt of cylinder head)
H72 high mount (adjuster bolts to top bolt of cylinder head)
Right-side High Mount
The adjuster bar bolts to the top bolt hole of cylinder head face
Right side low-mount
The adjuster bar bolts to the bottom bolt hole of cylinder head face
B310 engine
Right-side Cross Mount
Long adjuster mounts across the cylinder head face. Unknown source
Adjusting Bar
11715-H6200 BAR-ADJUSTING, ALTERNATOR [more curved, most vans] 11715-H7201 BAR-ADJUSTING, ALTERNATOR [less curved, sedan+coupe+(van.f/cold)] Bolts Fixing Adjusting Bar 08120-82062 BOLT [engine end] 23164-H0100 BOLT [alternator end]
H62 curved adjuster | H72 adjuster
Bracket
ダイナモブラケット
Bracket * 11170-H6200 BRACKET-ALTERNATOR -7801 * 11170-H7401 BRACKET-ALTERNATOR 7802- > 11170-H7400 Bolts Fixing bracket to engine block * 08131-03510 BOLT [rear] * 08131-04210 BOLT [front] * 08915-14010 WASHER (2) Bolts Fixing alternator to bracket * 08915-43810 WASHER [plain] (2) * 08915-13810 WASHER [lock] (2) 23100B * 11915-U0105 BOLT (2) 23100F * 11713-21000 SHIM T=0.3 (As Required) * 11713-21001 SHIM T=0.2 (As Required)
V-Belt
Moving Bracket
Got a late-model A-series engine? Bolt the alternator to the left side down low for a cleaner look. No factory bracket bolt bosses here, but a simple adapter plate can be fabricated from a flat plate. Bolt to the block with the three outside holes, then bolt the alt. bracket to the two close holes. Size up a new fan belt and you are done.
A15 with left-mounted alternator
Adapter Plate bolts to engine left side, cast-iron bracket bolts to the plate
Upside down
Another method
Pillow Ball Adjusting Bar
A rod end bearingᵂ, also known as a heim joint (N. America) or rose joint (U.K.), or pillow ball (Japan) is a mechanical articulating joint.
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- The turnbuckle type makes it easy to fine-tune the tension of the belt.
- Rose-jointed tension rod allows you to custom-tune the length and angle of the alternator adjusting rod. The angle makes it easier to fit non-stock alternators
- There is no need to worry about damaging the harness or engine with a lever at the time of adjustment.
approximately 146mm eye-to-eye length
Hole diameter 8mm Pillow ball right left and right screw M8 bolts 159mm ± 13mm S45Cᴳ steel/Ni platedᴳ
ピロボールダイナモステー Pillow Ball Dynamo Stay