Ultra Tugger
®
Cable Puller and Pulling Packages
Greenlee / A Textron Company
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
43
Maintenance
(cont’d)
Right Angle Sheave Bracket Removal
1. Remove detent pin (22).
2. Slide arm towards motor. Use a small punch to
remove the roll pin (20).
3. Remove bracket (4).
Gearbox Disassembly
1. Remove motor, capstan and right angle sheave
bracket.
2. Remove the screws (38) on the motor side of the
gearbox. Remove the mounting plate (20).
3. Remove the motor mounting housing (2).
4. Pull out the 1st reduction planet gear assembly and
thrust washer.
5. Pull out the center shaft (12).
6. Pull out the 2nd reduction planet gear assembly and
thrust washer.
7. Push out the output shaft/3rd reduction gear
assembly and thrust washer.
8. Remove the screws holding the ring gear (37).
9. Tap the bearing housing off the ring gear and dowel
pins.
Do not mar the mating surface to the ring
gear.
Gearbox Assembly Note
1. Clean all ring mating surfaces. Apply a flange
sealant (Loctite
®
515 or equivalent) to all ring mating
surfaces.
2. Install center shaft with the small diameter towards
the motor.
3. Install the mounting plates. When viewed from the
motor end, the motor mounting studs should be
positioned at 1 and 7 o’clock. The square hole in
the mounting plate should be between 10 and 11
o’clock.
4. Position mounting plates so the screw heads on
the capstan side fit into the counterbores of the
mounting plates.
Disassembly of Planet Gear Carriers
1. Remove the flat head screws.
2. Tap or pry off the hub plate from the hub and dowel
pins.
3. Remove the thrust washers, gears, thrust washers
and shaft.
4. Remove sun gear ONLY if replacement is required.
Planet Gear Carrier Assembly
1. Place the shafts in the hub. The end with the flat
should face outward.
2. The 1st planet reduction gears must be positioned
with the gear end towards the capstan.
3. When replacing the 1st reduction gear bearing/
clutch, the locked arrow direction must be counter-
clockwise (when viewed from the gear end).
4.
When replacing the ball bearing on the output
shaft, the thick side of the outer race must face
the capstan.
5. Use a removable thread locking compound, such
as Loctite
®
242
®
Threadlocker or equivalent, on the
#10 – 32 flat head screws (items 35 and 36 on the
gearmotor). Follow the manufacturer’s instructions
for curing.
