August 2023 - 38
TOOL BRIEFING
A heavy duty solution
to a heavy duty problem
The step-by-step process of replacing a cylinder head on a Caterpillar C11 ACERT.
By Eric Moore, Contributing Editor
W
ith our fleet at Griffin
Pavement Striping, we
have more than our
share of mechanical, electrical,
liquid propane, fuel, hydraulic,
pneumatic, or human-related
failures to overcome daily, or
more accurately, hourly. We have
vehicles in our fleet ranging from light duty
trucks to medium duty and Class 8 tractors
and trailers, plus our specialized vocational
equipment, both truck-mounted and
stand-alone.
At first glance, our removal and application
vehicles can be complex, mobile
manufacturing platforms. Many of these
vehicles have all the above-mentioned
systems. A few even have auxiliary
powerplants with vehicle-mounted air
compressors to supply the additional
electrical, hydraulic, or pneumatic needs
that specific vehicles require to perform
their tasks.
We constantly have to address more
than one catastrophic issue at a time. What
works best for us is breaking failures down
into the core systems involved and working
forwards or backward to the failure site.
We have taken the steps and invested
in being as self-reliant as possible where
maintaining and repairing our fleet vehicles
are concerned.
THE PROBLEM
What we are working with in this case is
the replacement of a cylinder head on our
oldest thermoplastic application striper.
The chassis is a 2007 American
LaFrance Condor with a Caterpillar C11
ACERT powerplant. Our operators had
p The " patient " is in need of a cylinder head replacement.
Photo courtesy of Eric Moore
been complaining of a loud ticking noise
along with noticeable charring around the
back cylinder bolts for the exhaust manifold.
Once we verified the location, our
technicians shut off the main disconnect
at the batteries. Then using a
GEARWRENCH SAE 9/16 " combination
wrench they disconnected the cables
38 PTEN AUGUST 2023 www.VehicleServicePros.com
from the positive leads. Grabbing a drain
pan and a set of Channellock slip joint
water pump pliers, they loosened the
radiator drain valve and drained the
coolant about halfway down.
The technicians then proceeded to
use 3/8 " and 1/2 " Milwaukee M18 Fuel
impacts with SK Tools and Snap-on shal
http://www.VehicleServicePros.com
August 2023
Table of Contents for the Digital Edition of August 2023
EDITOR'S NOTE
NEW PRODUCTS
INNOVATION AWARDS
DIAGNOSTIC TECH
TOOL BRIEFING
TOOL REVIEWS
CATEGORY SPOTLIGHT
BIG-TIME BOXES
August 2023 - 1
August 2023 - 2
August 2023 - 3
August 2023 - 4
August 2023 - 5
August 2023 - 6
August 2023 - 7
August 2023 - EDITOR'S NOTE
August 2023 - 9
August 2023 - NEW PRODUCTS
August 2023 - RSC1
August 2023 - RSC2
August 2023 - 11
August 2023 - 12
August 2023 - 13
August 2023 - 14
August 2023 - 15
August 2023 - 16
August 2023 - 17
August 2023 - INNOVATION AWARDS
August 2023 - 19
August 2023 - 20
August 2023 - 21
August 2023 - 22
August 2023 - 23
August 2023 - 24
August 2023 - 25
August 2023 - 26
August 2023 - 27
August 2023 - DIAGNOSTIC TECH
August 2023 - 29
August 2023 - 30
August 2023 - 31
August 2023 - 32
August 2023 - 33
August 2023 - 34
August 2023 - 35
August 2023 - 36
August 2023 - 37
August 2023 - TOOL BRIEFING
August 2023 - 39
August 2023 - 40
August 2023 - 41
August 2023 - TOOL REVIEWS
August 2023 - 43
August 2023 - 44
August 2023 - 45
August 2023 - CATEGORY SPOTLIGHT
August 2023 - 47
August 2023 - 48
August 2023 - 49
August 2023 - BIG-TIME BOXES
August 2023 - 51
August 2023 - 52
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