Taylor TX180S, Maintenance Manual

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TX / TXH / TXB 180S - 400L (Rev. 4/23/07) TX / TXH / TXB 180S - 400L (Rev. 4/23/07) 15-4 15-4
30-35 ft-lbs (41-48 N 30-35 ft-lbs (41-48 N
⋅ ⋅
m). m).
7. 7. Pos Pos iti iti on th on th e tru e tru ck w ck w ith a r ith a r ate ate d loa d loa d on a d on a
15 percent grade (15 feet rise over 100 feet 15 percent grade (15 feet rise over 100 feet
distance). distance). Apply the Apply the parking brake parking brake to ensure to ensure
that it will hold the truck with a rated load on a that it will hold the truck with a rated load on a
15 percent grade. 15 percent grade.
Parking Brake Adjustment Parking Brake Adjustment (Illustrations 15-4 (Illustrations 15-4
thru 15-6) thru 15-6) . . Perform the following procedures to Perform the following procedures to
adjustment the parking brake: adjustment the parking brake:
  Death or serious injury could Death or serious injury could
result from result from a runaway truck. a runaway truck. Park the truck Park the truck on on
1. 1. Par Par k the tr k the tr uck on a ha uck on a ha rd, le rd, le vel s vel s urf urf ace ace , blo , blo ck ck
the wheels of the truck in both directions, the wheels of the truck in both directions,
place the parking brake in the released posi- place the parking brake in the released posi-
tion and Lock Out &Tag Out the truck. tion and Lock Out &Tag Out the truck.
2. 2. Rem Rem ove th ove th e plug ( e plug ( see I see I llu llu str str ati ati on 15- on 15- 5). 5).
3. 3. Loosen Loosen the the coupli coupli ng n ng n ut ( ut ( see see Illust Illust ration ration 15-6). 15-6).
4. 4. Set r Set r unni unni ng cl ng cl ear ear anc anc e bet e bet wee wee n the di n the di sc an sc an d d
the lining surface by turning the set screw until the lining surface by turning the set screw until
a 0.020 - 0.030 inch (0.51-0.76 mm) thick shim a 0.020 - 0.030 inch (0.51-0.76 mm) thick shim
just fits between the just fits between the lining and the lining and the disc surface disc surface
when the opposite lining is in contact with the when the opposite lining is in contact with the
disc. disc.
5. 5. T T orque th orque th e cou e cou pling pling nut t nut t o 50- o 50- 55 ft 55 ft -lbs -lbs (68-75 (68-75
N N
⋅ ⋅
m), while holding the set screw in position. m), while holding the set screw in position.
6. 6. Re- Re- ins ins tal tal l the pl l the pl ug and t ug and t orq orq ue to 45 ue to 45 -50 ft -50 ft -lb -lb s s
(61-68 N (61-68 N
⋅ ⋅
m). m).
PLUG PLUG
Illustration Illustration 15-5. 15-5. Parking Brake Parking Brake (Plug Installed) (Plug Installed)
SETSCREW SETSCREW
Illustration 15-4). Illustration 15-4). Loosen the Loosen the outer hex outer hex nut nut
(18) and place a 0.010 - 0.015 inch thick shim (18) and place a 0.010 - 0.015 inch thick shim
between the lining and the disc surface. between the lining and the disc surface.
Adjust the socket head Adjust the socket head cap screw (17) u cap screw (17) u ntil ntil
the clearance between the shim is eliminated. the clearance between the shim is eliminated.
8. 8. T T igh igh ten t ten t he out he out er hex n er hex n uts ( uts ( 18) t 18) t o com o com ple ple te te
the centering operation. the centering operation. T T orque the two orque the two hex hex
nuts (18) against each other to a torque rating nuts (18) against each other to a torque rating
of 30-35 ft-lbs (41-48 N of 30-35 ft-lbs (41-48 N
⋅ ⋅
m). m).
9. 9. Re- Re- adj adj ust t ust t he bra he bra ke wh ke wh en th en th e runn e runn ing c ing c lea lea r- r-
ance reaches a total of 0.100 inch (2.5 mm). ance reaches a total of 0.100 inch (2.5 mm).
Wet Disc Brake Bleeding Wet Disc Brake Bleeding (Illustrations 14-1 (Illustrations 14-1 and and
14-2) 14-2) . . Bleeding the wet disc brake system Bleeding the wet disc brake system
requires two servicemen; one to operate the ser- requires two servicemen; one to operate the ser-
vice brake pedal, and another to open and close vice brake pedal, and another to open and close
the bleeder valves the bleeder valves on the drive on the drive axle. axle. Perform the Perform the
following procedures to bleed the service brakes: following procedures to bleed the service brakes:
  Death, serious injury or Death, serious injury or
property damage could result from not property damage could result from not
bleeding the bleeding the wet disc br wet disc br akes. akes. The wet di The wet di sc sc
brakes must be bled to remove all air from the brakes must be bled to remove all air from the
system when any brake system hydraulic system when any brake system hydraulic
connection h connection h as been as been loosened. loosened. Air can Air can
prevent hydraulic pressure from applying the prevent hydraulic pressure from applying the
brakes correctly and can increase stopping brakes correctly and can increase stopping
distance. distance.
  Death or serious injury could Death or serious injury could
result from result from a runaway truck. a runaway truck. Park the truck Park the truck on on
a hard, level surface, apply parking brake and a hard, level surface, apply parking brake and
block the wheels of the truck in both directions block the wheels of the truck in both directions
to prevent movement. to prevent movement.
  Do not reuse used hydraulic Do not reuse used hydraulic
fluid. fluid. Used hydraulic Used hydraulic fluid can fluid can be contami- be contami-
nated and can cause incorrect operation. nated and can cause incorrect operation.
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