PASCO ME-9868 Replacement Plumb Bobs (30) - Manual

CAUTION!
DO NOT LOOK
DOWN BARREL!
CAUTION!
DO NOT LOOK
DOWN BARREL!
WEAR
SAFETY
GLASSES
WHEN IN USE.
U
CAUTION!
DO NOT LOOK
DOWN THE BARREL.
LONG
RANGE
MEDIUM
RANGE
SHORT
RANGE
SHORT RAN
PROJECTILE LA
ME-6800
Yellow Ban
Indicates R
90
80
70
60
50
40
30
20
10
0
Instruction Sheet
for the PASCO
Model ME-9868
Replacement Plumb Bobs (30)
Installation Instructions
012-08711C
© PASCO scientific
Introduction
The ME-9868 Replacement Plumb Bob provides 30
individually packaged weights and string to replace
the plumb bob on the PASCO Projectile Launchers
(ME-6825, ME-6800 or ME-6801).
Equipment included
- Nylon thread
- Lead weight (30)
- Nylon washer (30)
Equipment not included:
- Pliers
Assembling the Plumb Bob
1. Cut a piece of string approximately 20 cm (8
inches), or gauge the string length directly on the
launcher unit as indicated in the picture.
2. Tie a knot at one end of the string and use pliers to
crimp a weight over the knot. (The knot prevents
the weight from slipping.)
Attaching the Plumb Bob
1. Feed the string from the front of the launcher
through the hole in the label and the launcher cyl-
inder.
2. Tie the string just once around the washer.
3. Pull the washer taught against the launcher cylin-
der and adjust the string length until the weight just
swings past the label corner.
➤ Note:
The weight must clear the launcher
body in all orientations. The actual string length
will vary depending on the launcher being re-
strung.
4. Secure the string with a double or triple knot to the
washer, be careful not to change the length of the
string as determined from the previous step.
5. Release the weight so that the washer rests against
the launcher cylinder and cut any excess string.
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®
hole in
launcher label
corner
clearance
excess string
weight
crimped
over a
knot
string
washer