Revision 6
J. 4071-20 Throttle Control
1.
Seal and Piston Replacement
Note:
Refer to Section 9: PARTS for breakdowns
and
parts lists for the following
procedures:
Service people required: 1
Recommended Tools:
Adjustable wrench
Parts
(subject to inspection): Seal, (Item #1) and Piston, (Item #2)
Supplies: Tube
of
light grease and a jar
of
anti-seize compound
Note:
Refer
to
Section 9: PARTS for breakdowns
and
parts lists for the following
procedures:
Caution:
Replacement parts must be genuine NLB parts. The use
of
any
other parts could create a hazardous situation. Also, the use
of
other parts will void all warranties on this equipment.
WARNING:
DISCONNECT THE BATTERY NEGATIVE(-) CABLE FIRST OR TURN
DISCONNECT
SWITCH
TO
THE "OFF" POSITION, FIRST. BLEED DOWN
ALL
HIGH PRESSURE LINES.
PUT
A "DO
NOT
OPERATE"
TAG
ON
THE
CONTROLS. FAILURE
TO
DO SO
MAY
RESULT IN DAMAGE
TO
EQUIPMENT
AND/OR PERSONAL INJURY.
1.
The Seal (Item #1) is installed onto the Piston (Item #2) (Figure 8-90). The seal is a
five-piece design and is packaged with a replacement retaining clip and assembly
schematic for quick reference. It is important to orient the seal as shown, otherwise
leakage may occur. After the Seal (Item #1) is installed into the
Piston, (Item #2), a
light coating
of
grease should be applied to the seal and piston assembly to assist with
installation into the adapter bore.
© Copyright October,
2001
NLB Corporation
8-
78
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