Filter
Top Products
4
MODEL IDENTIFICATION
MODEL
NUMBER
HOUSING MOTOR
ASSEMBLY
COLLET
ASSEMBLY
COLLET
CAPACITY
7978 46114 46112 46119–2 1/8”
7978–1 46114 46112–1 46119–3 3 mm
7978–2 46114 46112–2 46119–1 3/32”
7978–EU 49914 46112–1 46119–3 3 mm
MODELS WITH –EU SUFFIX ARE ‘‘EC” COMPLIANT MODELS.
DISASSEMBLY/ASSEMBLY INSTRUCTIONS
Disconnect air supply from tool or shut off air supply and drain line
of compressed air before performing maintenance or service to
tool.
Before starting to disassemble or assemble this tool (any part or
completely), be sure to read ‘‘Inspection, Maintenance and Instal-
lation” section.
To minimize the possibility of parts damage and for convenience,
the steps for disassembly or assembly listed on the following
pages are recommended.
The basic sections and instructions for removing them from the
tool are as follows:
THROTTLE SECTION
Remove hose assembly from tool. Using 11/16” diameter blocks,
clamp housing (46114 or 49914) in a vise (see grip area below)
and unthread throttle section from housing. NOTE: Thread adhe-
sive has been applied to these threads.
MOTOR SECTION
After removal of throttle section, motor assembly can be removed
from the housing.
(ATP–59)
THROTTLE SECTION
DISASSEMBLY
_ Remove throttle as outlined above.
_ Remove pipe fitting (Y43–41–C) from throttle.
_ Remove snap ring (Y110–5).
_ Remove sleeve (46106) for access to two ‘‘O” rings
(Y325–10) and ‘‘O” ring (Y325–12).
ASSEMBLY
_ NOTE: Throttle contains an internal filter screen. Wash throttle
thoroughly in clean solvent and blow air backward thru throttle
to clean screen. Whenever a part containing ‘‘O” rings has
been removed from the tool, it is recommended the ‘‘O” rings
be replaced with new ones before assembling the part to the
tool. Lubricate all ‘‘O” rings with ARO 36460 lubricant at as-
sembly.
_ Assemble two ‘‘O” rings (Y325–10) and ‘‘O” ring (Y325–12) to
throttle.
_ Assemble ‘‘O” ring (Y325–13) to throttle.
_ Slide sleeve (46106) onto throttle and secure with snap ring
(Y110–5).
_ Assemble pipe fitting (Y43–41–C) to end of throttle.