Stanley Avdel 74200, Instruction And Service Manual

Page: 16 / 372

• Remove bearing 62 , planet gear spindle 63 , three planets 64 , planet gear 65 and spacer 66 .
• Using a soft mallet tap splined head of rotor
70
.
• Bearing
67
and front end plate
68
will come out with stator
69
and five rotor blades
71
. (rotor
70
remains in hand).
• Place rear end plate 72 in vice with soft jaws.
• Using a pin punch* tap centre of rotor 70 to remove bearing 73 . (turn rotor 70 upside down and bearing 73 will come
out).
• When assembling air motor, rear side of rotor
70
must just touch rear end plate
72
without any axial gap, (any existing
gap will disappear when bearing
73
is fully located.
• When inserting air motor into air motor casing
75
carefully align parts so that pin
74
locates in centre hole between
spin on/off ports of air motor casing
75
and rear end plate
72
.
• When assembling hydraulic piston 54 onto air motor assembly, tighten parts by hand and blow air into one of the outer
ports of air motor casing 75 , checking to see air motor rotates freely.
• When assembling front seal 51 ensure larger diameter faces rear of tool.
• Complete assembly in reverse order to dismantling.
CAUTION : Check the tool against daily and weekly servicing.
CAUTION : Priming is ALWAYS necessary after the tool has been dismantled and prior to operating.
* Refers to items included in the 74200 service kit. For complete list see page 13.
Item numbers in bold refer to the General Assembly drawing and parts list (pages 18-19).
16
ENGLISH ORIGINAL INSTRUC TION