General Data; Abbreviations; Screws And Bolts - J&M 44-50 Operating And Maintenance Manual

Vibratory pile driver/extractor with model 580 power pack
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MODEL 44-50
VIBRATORY
DRIVER/EXTRACTOR
VII.

GENERAL DATA

A. ABBREVIATIONS
The abbreviations shown below are used throughout the parts lists and various other parts
of the manual.
ASM.
BHCS
Cyl.
DC
FHCS
FLCS
HC
HHCS
HHPP
HSSS
Hyd.
Lg.
mm
Mtg.
NPT.
PHMS
P/N
Qty.
RHMS
Sch.
SHCS
SHPP
SHSS
S/N
Sol.
B. SCREWS AND BOLTS
1. Practically all connections on the unit are made with socket head (Allen) cap screws.
These high-strength screws are available at most industrial supply houses.
2. Screws and bolts are designated in the PARTS LIST in abbreviated form. (Refer to
sub-section A, above, for specific abbreviations.) Listed below is a typical screw
description:
0.50 = Diameter
1.50 LG = Length
3. Some screws or bolts require a specific torque when replacing. For identification of
these bolts and a more thorough understanding of torque, refer to Page IV-9.
Assembly
Button Head Cap Screw
Cylinder
Direct Current
Flat Head Cap Screw
Flanged Head Cap Screw
High Collar
Hex Head Cap Screw
Hex Head Pipe Plug
Hex Socket Set Screw
Hydraulic
Long
Millimeter
Mounting
National Pipe Thread
Phillips Head Machine Screw
Part Number
Quantity
Round Head Machine Screw
Schedule
Socket Head Cap Screw
Socket Head Pipe Plug
Socket Head Shoulder Screw
Serial Number
Solenoid
0.50 - 13 UNC X 1.50 LG SHCS
13 UNC = Threads Per Inch
SHCS = Screw Type Abbreviation
VII-1
PARTS LIST

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