Jesel INS-01911 Chevy BB 1 Piece Intake, Indv. Exhaust Stands - Manual (Page 2)

WARNING
◘ IF IN DOUBT, CALL JESEL TECH DEPT AT (732) 901-1800.
◘ MAKE SURE PUSHROD TIP COMFORMS TO ADJUSTER CUP.
◘ APPLY THREAD SEALANT TO ALL BOLTS EXPOSED TO
WATER.
◘ D O N O T D E G R E A S E R O C K E R A N D R U N W I T H O U T
LUBRICATION.
◘ DO NOT LET PUSHRODS RUB AGAINST CYLINDER HEADS OR
BLOCK.
◘ DO NOT BOLT DOWN OR REMOVE ROCKERS UNDER ANY
SPRING LOAD.
◘ ALWAYS LUBRICATE PUSHROD TIPS AND ADJUSTERS WITH
SUPPLIED LUBE.
◘ APPLY THREAD SEALANT TO ALL BOLTS PROTRUDING INTO
INTAKE PORTS.
◘ DO NOT OVER-TORQUE ADJUSTER NUTS - ALWAYS FOLLOW
TORQUE SPECS.
◘ DO NOT RUN WITH ADJUSTER MORE THAN 2 TURNS OUT FROM
SEATED POSITION.
◘ DO NOT MACHINE ADJUSTER COUNTERBORE TO COMPENSATE
FOR A LONG PUSHROD
◘ DO NOT “FLY-CUT” UNDERSIDE OF ROCKER ARM FOR
ADDITIONAL SPRING CLEARANCE.
ADJUSTER OPERATING RANGE
THE OPERATING RANGE FOR THE LASH ADJUSTER IS 1/4 TO 2
TURNS OUT FROM THE SEATED POSITION. THE ROCKERS ARE
SHIPPED FROM JESEL WITH THE ADJUSTERS SET 1 TURN OUT
FROM THE SEATED POSITION. IF ADJUSTER IS MORE THAN 2
TURNS OUT, USE A LONGER PUSHROD. IF ADJUSTER IS LESS
THAN 1/4 TURN FROM SEATED POSITION, USE A SHORTER
PUSHOD.
NEVER MODIFY ADJUSTER COUNTERBORE TO
COMPENSATE FOR A PUSHROD THAT IS TO LONG.
VALVE LASH ADJUSTMENT
1) ROTATE ENGINE UNTIL EXHAUST ROCKER BEGINS TO OPEN.
SET INTAKE LASH TO DESIRED SPEC.
2) ROTATE ENGINE UNTIL INTAKE ROCKER BEGINS TO RETURN
FROM FULL LIFT. SET EXHAUST LASH TO SPEC.
3) REPEAT FOR REMAINING CYLINDERS FOLLOWING THE
FIRING ORDER.
ROCKER SERVICE PARTS:
Part Number Description
ADJ-20230 Valve Lash Adjuster
WSH-29800 Valve Lash Adjuster Washer
NUT-24500 Valve Lash Adjuster Nut
BRG-20610 Shaft Bearing, 9/16 ID x 3/4 Long
SFT-28000 Rocker Shaft
RNG-26210 Rocker Retaining Ring
SPC-28360 Nylon Spacer
TORQUE SPECS:
5/16-18 T-45 Shaft Bolt 22-25 lbs/ft
5/16-18 ARP 12pt Shaft Bolt 28-32 lbs/ft
7/16-14 T-50 Stand Bolt , into Alum. 60-65 lbs/ft
7/16-14 T-50 Stand Bolt, into Cast Iron 65-70 lbs/ft
Adjuster Nut 22-27 lbs/ft
Torque specs listed above are the recommended torque specs when
using 30wt engine oil as a lubricant. Torque specs will be lower if using
a Moly based lubricant. To convert to Newton/meters, multiply lbs-ft by
1.356. The torque values listed are intended to be for general information.
Actual torque values may vary depending upon your application.
KIT COMPONENTS:
Quan Part Number Description
16 IRA-01911 Rocker Arm
2 STN-20xxx Intake Stand
8 STN-20xxx Exhaust Stand
32 BLT-21750 5/16-18 x 1.250” T-45 Shaft Bolt
8 BLT-21892 7/16-14 x 1.000” T-50 Stand Bolt
8 BLT-21893 7/16-14 x 1.250” T-50 Stand Bolt
8 BLT-21894 7/16-14 x 1.500” T-50 Stand Bolt
THESE INSTRUCTION SHEETS ARE INTENDED AS REPRESENTATIONS ONLY. JESEL IS IN NO EVENT LIABLE FOR CONSEQUENTIAL DAMAGE, INSTALLATION COST
OR OTHER COST OF ANY NATURE. NO REPRESENTATIVE IS AUTHORIZED TO ASSUME FOR JESEL ANY OTHER LIABILITY IN CONNECTION WITH ANY JESEL
PRODUCT. NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS.
1985 Cedarbridge Ave ∙ Lakewood, NJ 08701 ∙ Phone: 732-901-1800 ∙ Fax: 732-901-6777
www.jesel.com
[email protected]
revised 07/08
AVAILABLE SERVICE TOOLS
TOL-19210 T-45 Torx Socket
TOL-19221 T-50 Torx Socket
TOL-29350 Stand Height Checker, 5/16” Stem
TOL-29351 Stand Height Checker, 11/32” Stem
TOL-29352 Stand Height Checker, 3/8” Stem
TOL-29400 5pc Checker Pushrod
TOL-29260 Spring Removal Tool
TOL-29300 Valve Lash Adjusting Wrench
TOL-TQ100
TOL-PC100
Maintain your valvetrain
properly with Logan-Smith’s
Spring Pressure Tester and
Torque Wrench Valve Lash
tool.