Instruction Manual Form 1909 February 1999
Type 657 Sizes 80 & 100
Introduction
.............................. 2 Scope of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation
................................ 2 Actuator Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Loading Connection . . . . . . . . . . . . . . . . . . . . . . . . . 3
Adjustments
.............................. 3 Travel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Spring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Size 80 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Size 100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Maintenance
Parts Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11 11
W0366-1 / IL
Figure 1. Sectional view of Type 657 Size 100 Actuator
AIR PUSHES STEM DOWN
SPRING LIFTS
AF3833-A A0792-2/IL
Figure 2. Schematic Representation of Type 657 Actuator
D100307X012
.............................. 5 Actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Size 80 Disassembly . . . . . . . . . . . . . . . . . . . . . . . . 5 Size 80 Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Size 100 Disassembly . . . . . . . . . . . . . . . . . . . . . . . 7 Size 100 Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Size 80 Side-Mounted Handwheel . . . . . . . . . . . . . . 8 Size 80 Side-Mounted Handwheel: Disassembly 9 Size 80 Side-Mounted Handwheel: Assembly . . . 9 Size 80 Hydraulic Snubber . . . . . . . . . . . . . . . . . . . . 9 Size 80 Top-Mounted Handwheel . . . . . . . . . . . . 10 Size 80 Top-Mounted Handwheel: Disassembly 10 Size 80 Top-Mounted Handwheel: Assembly . . 10 Size 100 Top-Mounted Handwheel . . . . . . . . . . . 10 Size 100 Top-Mounted Handwheel: Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Size 100 Top-Mounted Handwheel: Assembly 11