Toyota Celica 1993 Service Manual page 47

shaft. Gear backlash should be 0-.0024" (0-.060 mm). Remove dial
indicator.
11) Rotate crankshaft clockwise and align punch mark "A" on
No. 1 balance shaft with groove on housing. Perform STEP 6. See
Fig. 49.
12) Reinstall dial indicator. Check gear backlash by gently
rotating No. 1 balance shaft while pressing on end of No. 1 balance
shaft. Gear backlash should be 0-.0024" (0-.060 mm). Remove dial
indicator.
13) Rotate crankshaft clockwise and align punch mark "B" on
No. 1 balance shaft with groove on housing. Perform STEP 7. See
Fig. 49.
14) Reinstall dial indicator. Check gear backlash by gently
rotating No. 1 balance shaft while pressing on end of No. 1 balance
shaft. Gear backlash should be 0-.0024" (0-.060 mm). Remove dial
indicator.
15) If gear backlash in not within specification when
performing all measurements, different thickness adjusting spacer must
be installed between balance shaft assembly and cylinder block.
16) Remove balance shaft assembly and adjusting spacers from
cylinder block. See BALANCE SHAFTS (CAMRY) under REMOVAL &
INSTALLATION. Adjusting spacers are installed on each side of balance
shaft assembly, between balance shaft assembly and cylinder block.
17) Using gear backlash measured clearance and number stamped
on installed adjusting spacer, determine replacement adjusting spacer.
See Fig. 50.
18) If gear backlash exceeds specification, use thinner
adjusting spacer. If gear backlash is less than specified, use thicker
adjusting spacer. Changing adjusting spacer thickness by .0008" (.020
mm) will change gear backlash about .0006" (.014 mm). Use same
thickness adjusting spacers on each side of balance shaft assembly.
19) Reinstall adjusting shims and balance shaft assembly
using proper procedure. See BALANCE SHAFTS (CAMRY) under REMOVAL &
INSTALLATION. Recheck gear backlash.