Disassembly And Assembly - Columbus McKinnon CM Bandit BAN07505 Manual De Funcionamiento, Mantenimiento Y Piezas

MAINTENANCE (CONTINUED)

DISASSEMBLY AND ASSEMBLY

The parts illustration and list on pages 13 and 19 show the general
arrangement and name of the parts of the CM Bandit lever hoist.
These should be used when disassembling and re-assembling the
units so that all parts are properly installed.
DISASSEMBLY
To replace the liftwheel or stripper, completely disassemble the
unit: remove the chain (See REPLACING LOAD CHAIN, page 9) and
then remove the following: Cotter Pin (26), Castle Nut (36), Twisting
Spring Housing (20), Twisting Spring (19), Hand Wheel (18), Twisting
Spring (17), Hex Head Cap Screw (27), M6 (0.75 & 1.5 tonne) or M8
(3 & 6 tonne) Hex Nuts (23), Lever Handle Assembly (15), Cam (16),
Change Over Gear or Overload Assembly (14 or 14L), M8 Lock Nuts
(25), Brake Cover Assembly (13), Ratchet Disc Assembly (12), Disc
Hub (11), Lever Side Plate Assembly (8), Guides (6), Stripper (7) On
the gear side, remove the following: M8 Lock Nut (25), Gear Case
Assembly (1), Spur Gear Assembly (34 or 35), Drive Shaft (2), Drive
Shaft Washer (22), Load Gear (3 for 0.75 & 1.5 tonne; 35 for 3 & 6
tonne), Top Hook Shaft (21), Upper Hook Assembly (33).
ASSEMBLY
Prior to re-assembly, check all parts for excessive wear, cracks and
distortion. Replace parts as necessary and then re-assemble the unit
in reverse to the order given above.
FREE CHAIN ASSEMBLY
NOTICE:
To ensure proper function of the hoist brake and free chain systems,
perform the following steps prior to starting STEP 1.
a. Set direction lever to "N" position.
b. Turn (14/14L) Change Over Gear clockwise to insure
the Change Over Gear has engaged the brake disc.
Complete this step while holding the chain strand with
lower hook attached.
c. A "clicking" sound will be heard if the load side of the
chain is not held with sufficient force.
d. After tightening (14/14L) Change Over Gear, make
sure the Change Over Gear will not rotate in the
counterclockwise direction.
STEP 1: INSTALL CAM
a. Attach (16) Cam to (2) Drive Shaft by aligning Cam
inside (14/14L) Change Over Gear
as shown in figure below.
CHANGE OVER GEAR
ALIGN CAM GUIDE BOSS
SLIGHTLY TO THE RIGHT
CENTER OF THE
CENTER OF THE
CHANGE OVER
GEAR
CAM GUIDE
BOSS
CHANGE OVER GEAR
CENTER OF THE
CAM GUIDE BOSS
STEP 2: INSTALL FREE CHAIN KNOB
a. Set (17) Twisting Spring into slot located on the back of
(18) Hand Wheel. Rotate (17) Twisting Spring until spring
tab is next to rib on (18) Hand Wheel as shown.
b. Fit opposite end of (17) Twisting Spring next to the
boss on (14/14L) Change Over Gear as shown below.
c. While holding the load chain, rotate (18) Hand Wheel 120°
clockwise while simultaneously pressing the (18) Hand
Wheel toward hoist body. As (18) Hand Wheel rotates,
(16) Cam will locate inside the slots of the (18) Hand Wheel.
d. Set direction lever to either the "UP" or "DOWN" direction
to temporarily secure (18) Hand Wheel.
e. Place outward-projecting end of (19) Twisting Spring into
slot located on the back of (20) Twisting Spring Housing.
Hook the other end (inward-projecting tab) of
(19) Twisting Spring into one of the three slots
located inside (18) Hand Wheel as shown below.
f. Rotate (20) Twisting Spring Housing 120° counterclockwise
while simultaneously pressing inward toward hoist body.
Align splines of (20) Twising Spring Housing with mating
splines on (2) Drive Shaft.
g. Install (36) Castle Nut and (26) Cotter Pin
h. Set direction control lever to the "N" position and pull
(18) Hand Wheel out to engage the free chain mechanism.
Pull load chain through hoist to ensure correct preformance.
8
(ENGLISH)
P/N: BANMANUAL REV. AC March 2014