ARO NR053B series Manuel de l'opérateur - Page 5

Parcourez en ligne ou téléchargez le pdf Manuel de l'opérateur pour {nom_de_la_catégorie} ARO NR053B series. ARO NR053B series 16 pages. 50 series right-angle screwdrivers / nutsetters

DISASSEMBLY/ASSEMBLY
INSTRUCTIONS
Never apply excessive
pressure by a holding device which
may cause distortion of a part.
Apply pressureevenly
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 "0" 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
Using wrenches on flats of clutch housing or ring gear and lock
nut (102), loosen nut completely
and pull right-angle
assem-
bly from tool - LEFT HAND THREADS.
Remove lock nut (124 or 142) or finder housing (118 or 138)
releasing drive assembly.
Remove lock nut (99) from housing -LEFT HAND THREADS.
Do not disassemble
further unless damage is evident. To dis-
assemble,
pull pinion (96 or 107) from housing.
Remove retaining ring (93 or 104) and spacer (94 or 105) to
allow removal of needle bearing.
RIGHT-ANGLE
ASSEMBLY
Lubricate bearings with ARO 33153 grease before assembly.
Assemble bearing (95 or 106) and spacer (94 or 105) to pin-
ion, securing with retaining ring (93 or 104). NOTE: Bearing
(106) is to be located .600" from shoulder on pinion (see il-
lustration below).
Assemble bearing (100) to pinion, pressing on inner race of
bearing.
Assemble
pinion and components
to housing, pressing on
outer race of bearing.
Assemble lock nut (99) to housing -LEFT HAND THREADS -
securing pinion.
Apply approximately
3/32 oz. of grease to right-angle
gearing
upon assembly.
Assemble
drive assembly
to lock nut (124 or 142) or finder
housing (118 or 138) and assemble
to right-angle
- LEFT
HAND THREADS.
Assemble lock nut (102) to housing, securing with snap ring
(101).
Assemble coupling (92) to pinion and assemble
right-angle
housing and components
to tool, securing with lock nut (102)
- LEFT HAND THREADS.
CLUTCH
DISASSEMBLY
Remove right-angle
assembly from tool.
Clamp tool in a smooth face vise, clamping on inlet adapter (2).
Remove clutch housing using a strap type wrench - LEFT
HAND THREADS.
Remove clutch assembly from tool.
ADJUSTABLE
BALL CLUTCH
Clamp drive end of driven jaw (69) in a smooth face vise, being
careful not to damage driven jaw.
Remove snap ring (71).
M32
G
I
Using a 7/8" wrench, remove adjustment
nut (72).
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Remove adjustment
washer (59) and clutch spring (60).
Remove snap ring (61).
Slide off thrust pad (62) two thrust washers (63) and thrust
bearing (73).
Remove ball carrier (64) and ten balls (66).
Remove retaining ring (70) and pin (68), then rotate driven jaw to
remove twelve balls (67). Separate driven jaw and spindle (65).
AUTO SHUT-OFF
CLUTCH
Clamp drive end of driven jaw (88) in a smooth face vise, being
careful not to damage driven jaw.
Remove snap ring (71).
Using a 7/8" wrench, remove adjustment
nut (72).
Remove adjustment
washer (75) and clutch spring (76).
Remove retaining rings (77).
Slide off guide (78) spring (79). ball sleeve (80) thrust race
(81) and thrust bearing (73). NOTE: Removal of ball sleeve
(80) releases six balls (85) and plunger (83).
Remove thrust race (82) releasing six balls (87).
Remove retaining ring (89) then rotate driven jaw to remove
twelve balls (86). Separate
driven jaw and spindle (84) re-
leasing eleven balls (86).
CLUTCH
ASSEMBLY
For clutch part lubrication, use ARO 40036-1 grease on parts
as pointed out in this section.
ADJUSTABLE
BALL CLUTCH
Lubricate ball groove of spindle (65):
Assemble
spindle into driven jaw (69) aligning ball groove
with hole in driven jaw.
Install twelve balls (67) and pin (68) into hole, then secure with
retaining ring (70).
Lubricate ball pockets of driven jaw (69) and install ball carrier
(64) and ten balls (66).
Lubricate and assemble one thrust washer (63) thrust bear-
ing (73) other thrust washer (63) and thrust pad (62).
Install snap ring (61).
Install clutch spring (60) adjustment washer (59) and adjust-
ment nut (72).
Install snap ring (71).
Lubricate bearing (74) with ARO 33153 grease and assemble
to driven jaw, pressing on inner race of bearing.
Assemble clutch assembly to tool.
Assemble clutch housing (91) to tool - LEFT HAND THREADS.
Assemble
THREADS.
right-angle
assembly
to tool - LEFT HAND
See clutch adjustment.
AUTO SHUT-OFF
CLUTCH
Lubricate ball grooves of spindle (84).
Install eleven balls (86) into groove.
Assemble spindle into driven jaw (88) securing balls.
Assemble
twelve balls (86) into driven jaw, then secure with
retaining ring (89).
Lubricate ball pockets of driven jaw and install six balls (87)
into pockets, securing with thrust race (82).
Lubricate and assemble
thrust bearing (73) and thrust race
(81) to spindle.
Coat plunger (83) with spindle oil 29665 and assemble
to
spindle, securing with balls (85). NOTE: Assembletwo
balls
per hole.
Secure balls with ball sleeve (80).
Assemble spring (79) and guide (78) to spindle, securing with
retaining rings (77).
Install clutch spring (76).
Lubricate face of adjustment washer (75) and install on spindle.
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