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“A” Accessibility Rating
1. Engine or generator sets mounted in equipment where 90 percent of the work can be performed
while standing on the ground, shop floor, or flat work deck.
2. Engine or generator set can be accessed without removing any doors or panels.
3. Interfering application hardware can all be removed.
4. Clearance is sufficient for hands, wrenches, and drain and fill operations, making visual checks
and room to stand and work.
“B” Accessibility Rating
1. ]Engine or generator set mounted in equipment where 70 percent of the work can be performed
while standing on the ground, shop floor or flat work deck.
2. Access to the engine can be gained by removing access panels or doors.
3. On 80 percent of the operations, interfering application hardware can be removed.
4. On 80 percent of the operations, clearance is sufficient for hands, wrenches, service tools, drain
and fill operations, making visual checks and room to stand and work.
“C” Accessibility Rating
1. Engine or generator set mounted in equipment where 50 percent of the work can be performed
while standing on the ground, shop floor or flat work deck.
2. Access to the engine or generator set can be gained by removing the hood, structural members
(bolted in) or sheet metal panels.
3. On 60 percent of the operations, interfering application hardware can be removed.
4. On 60 percent of the operations, clearance is sufficient for hands, wrenches, service tools, drain
and fill operations, making visual checks and room to stand and work.
“D” Accessibility Rating
1. Engine or generator set mounted in equipment where 25 percent of the work can be performed
while standing on the ground, shop floor or flat work deck.
2. Access to the engine or generator set is limited due to interference from permanently mounted
structural members, sheet metal or crossmembers.
3. On 40 percent of the operations, clearance is sufficient for hands, wrenches, service tools, drain
and fill operations, making visual checks and limited room to stand and work.
Standard Repair Combined Times (SRCT)
SRCT’s are the combination of some of the SRT’s in the manual within a distinctive code. These SRCT’s
are based on field input of SRT that are most frequently used in combination to describe the most common
field repairs on this engine.
Use of SRCT’s can reduce the amount of time required to determine the labor standard for a specific com-
plete engine or generator set repair. The use of SRCT will also reduce the number of codes required when
completing a warranty claim or customer invoice.
SRCT’s are intended to supplement, NOT replace, SRT. One SRCT code can be used instead of several
SRT codes.
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