ARO BR053B series Manual do operador - Página 4

Procurar online ou descarregar pdf Manual do operador para Perfurar ARO BR053B series. ARO BR053B series 12 páginas. 50 series right-angle drills

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RIGHT-ANGLE

DR051B-125-( )-( ) 12,500

46470

48227-1

1:1

DR053B-27-()- ()

2700

46470

48227-1

6.67:1

ITEM 67

DR053B-41-()

4100

46454

48226-1

4.40:1

(LIGHT DUTY)

DR053B-52-()

5200

46454

48226-1

3.43:1

MODELS WITH -EU SUFFIX ARE "EC" COMPLIANT MODELS.

DISASSEMBLY/ASSEMBLY

INSTRUCTIONS

Never apply excessive pressure by a holding device which

may cause distortion of a part.

Apply pressure evenly to parts which have a press fit.

Apply even pressure to the bearing race that will be press

fitted to the mating part.

Use correct tools and fixtures when servicing this tool.

Don't damage "O" rings when servicing this tool.

Use only genuine ARO replacement parts for this tool. When

ordering, specify part number, description, tool model number

and serial number.

RIGHT-ANGLE

DISASSEMBLY

(REGULAR DUTY)

Remove chuck (75) where applicable.

Using wrenches on flats of ring gear and lock nut (47), un-

thread and remove right-angle section from tool - LEFT

HAND THREADS.

To disassemble drive section, remove lock nut (74) from hous-

ing - LEFT HAND THREADS.

Remove lock nut (48) - LEFT HAND THREADS.

DO NOT

disassemble further unless damage is evident. To

disassemble, pull pinion (54) from housing.

RIGHT-ANGLE

ASSEMBLY

(REGULAR DUTY)

Lubricate bearings upon assembly.

_ Assemble bearing (53) and spacer (52) to pinion (54), secur-

ing with snap ring (51). NOTE: Bearing is to be located .600"

from shoulder on pinion (see illustration, next column).

_ Assemble bearing (50) to pinion. NOTE: Press on inner race

of bearing.

Assemble pinion and components to housing (55). NOTE:

Press on outer race of bearing.

_ Assemble lock nut (48) to housing, securing bearing - LEFT

HAND THREADS.

_ Apply approximately 1/8 oz. (3.5 g) of grease to right-angle

gearing upon assembly.

_ Assemble drive assembly (76 or 77) to lock nut (74).

_ Assemble lock nut and components to housing -LEFT HAND

THREADS.

_ Assemble lock nut (47) to housing, securing with snap ring

(46).

_ Assemble coupling (45) to pinion and assemble right-angle

housing and components to tool, securing with lock nut (47) -

LEFT HAND THREADS.

RIGHT-ANGLE

DISASSEMBLY

(LIGHT DUTY)

_ Using wrenches on flats of ring gear and lock nut (47), un-

thread and remove right-angle section from tool - LEFT

HAND THREADS.

_ To disassemble right-angle section, grasp housing (65) lightly

in a vise. Using a wrench on flats of body (60), unthread body

from housing - LEFT HAND THREADS.