Goblin 420 - 120 T Pulley Assembly; Front Tail Pulley Assembly; Tail Belt Idler Assembly; Tail Belt Tensioner Arm Assembly

Head Cap Screw
M2.5x10mm
(HC022-S)
Head Cap Screw
M2.5x18mm
(HC032-S)
Column Tail
Belt Tensioner
(H0577-S)
Spring
(H0579-S)
Tail Belt Tensioner
Arm Assembly
Head Cap
Screw M2.5x10mm
(HC022-S)
Head Cap Screw
M2.5x10mm
(HC022-S)
Tail Belt Idler
Assembly
Tail Belt Idler
Assembly
Block Tensioner
(H0580-S)
Column Tail Belt
Tensioner Axial
(H0578-S)
90°
Socket Head Cap
Screw M2x8mm
(HC008-S)
One Way Bearing
Ø8xØ12x12mm
(HC440-S)
120T Pulley
(H0502-S)
Plastic Servo
Support
(H0548-S)
Flanged Bearing
Ø8xØ12x3,5
(HC418-S)
eg: HUDY One Way Bearing Oil
Bag 3
Socket Head Cap
Screw M2.5x18mm
(HC032-S)
Main Plate
Assembly
Flanged Bearing
Ø8xØ12x3,5mm
(HC418-S)
120T Pulley Assembly
(H0502-S)
Front Tail Pulley Assembly
(H0620-S)
Front Tail
Pulley
(H0620-S)
Front Tail Pulley
Assembly
120T Pulley
Assembly
Shims
Ø8xØ14x0,2mm
(HC228-S)
Add or remove shims to get
approximately 0.2-0.4mm play.
Socket Head Cap
Shoulder M2.5x15mm
(HC031-S)
Anti-Rotation
(H0533-S)
Socket Head Cap
Screw M2.5x6
(HC018-S)
Socket Head Cap
Screw M2x5
(HC002-S)
Tail Belt Tensioner Arm
(H0576-S)
Flanged Bearing
3x 3x3mm
(HC402-S)
Tail Belt Tensioner Arm Assembly
Tail Belt Idler
(H0575-S)
Flanged Bearing
2.5x 6x2.5
(HC400-S)
Tail Belt Idler Assembly
Orientation
H0577
NOTE:
Lock the tension group in this position
( Position without preload).
Page 8
Chapter 5, Transmission Assembly