Model 87
20"
Metal Cutting Band Saw
OPERATING
INSTRUCTIOI'ItS
To
Disassemble Transmission
First-Remeve
set screws frem lewer Band
Wheel
(868).
and remeve wheel. Remeve
(3)
hex
head
be'lts
behind lewer wheel, releasing frent
ef
transmissien bex frem Band Saw frame. Frem rear
of
ma-
chine, remove variable speed arm
bolt
(8134). Swing variable speed arm (8266) out
of
way.
Remove
(4
) cap screws from base
of
transmissien box.
Remove
all drive belts.
Remove
set
screws helding vari-
able speed pulley (8903) to shaft (8216).
Remove
variable speed pulley (8903),
Remove
set screw
(8212) from clutch shift arm (8215) and disengage clutch shift arm frem clutch shift shaft (8230
).
Remove
Transmission box from cabinet.
To
remove clutch er wheel shaft, first remove
top
ef
Transmission box, (8252) and pour out oil.
Loesen
set
screw (8475) and
rem
eve clutch shift shaft (8230) and clutch shift fork (8232).
Remove
bearing cap
(8187) and bearing cap gasket (8480.)
Remove
cap
screws (8468) and remove
variable
speed arm
bracket (8263).
Put
sliding clutch
in
neutral position and with screwdriver
or
punch remeve wheel shaft
lock ring (8457
).
Lock
ring
is
lecated between clutch (8197) and high speed clutch assembly (8901).
Shaft cannot be removed without removal
ef
this lock ring.
Remove
wheel shaft frem Transmission box
by
tapp
ing with a weeden block. Shaft
is
driven
out
frem rear
ef
transmissien teward frent.
Reverse
above procedure
for
re-assembly.
To
remeve main shaft (8171), first remove solid bearing cap (8173 and bearing cap gasket (84801.
Remo.ve
bearing cap (8187) and bearing cap gasket (8480).
Loosen
allen screws frem high speed main
shaft sprocket (8174) and low speed main shaft sprecket (8900
).
With
woed block drive main shaft (8171)
out from rear
of
transmission box toward front.
Reverse
above procedure fer re-assembly.
Drive chains may be removed or replaced
in
transmission box witheut remeving any shaft
er
sprocket.
To.
remove chain, retate spreckets until master link appears.
Remeve
master link lecking clip. Chain will
come
apart
readily. Transmission box
uses
4 drive chains, 3
#40ASA
chains 33 links er
66
pitch leng and
one
(1) short chain
#40ASA
26 links
er
52 pitches long.
When replacing transmission, transmissien bex must be leveled
to.
assure preper alignment
ef
drive
en
lower wheel. Transmission Box feet are equipped with leveling
screws
for easy adjustment
....
Disassembly Of
Speed
Adiusting Mechanism
In
sequence
rem
eve
8414,8413,8415,8418,8409,8280,8401,8400,8409,
8404, 8242, 8429, 8444.
Remove
8490, 8489 and 8430, disengage 8236 frem 8235.
Remove
(4)
bolts and take eut. lift assembly
out through electric welder
access
hole.
POWERMATIC/HOUDAILlE,
McMinnville,
Tennessee
PAGE 7
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