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TM
10-3990-200-12&P
BROOKS & PERKINS MODEL SASYR1692/8736-6LO
MAINTENANCE
INSTRUCTIONS,
REPAIR
PARTS
LIST
Section
I.
OPERATING
INSTRUCTIONS
2-1. Towing
SYSTEM
DAMAGE.
f. S e c u r e r a m p t o v e h i c l e o r d o c k w i t h s a f e t y
a. R e m o v e t o w - b a r f r o m s t o r a g e p o s i t i o n u n d e r
chains.
ramp.
b. P r o p u p r a m p s o t h a t t o w i n g e n d i s o f f t h e
2-3. Removing From "In Use" Position
ground.
a. Disconnect safety chains.
c. L o w e r t o w b a r o n t o " a p p r o a c h
plate"
and
b. C L O S E p u m p r e l e a s e v a l v e ( H a n d - t u r n k n o b
i n s e r t both T-bolts into respective keyed holes (T-
clock wise).
nuts
UP)
c. P u m p h a n d l e t o r a i s e R a m p a p r o n a b o v e
d.
Turn T-bolts 90 so that cross pin is secured
into
detent groove. Pull up on T-bolt and tighten T-
vehicle floor level.
nut
until secured. Repeat to tighten second T-bolt
d. Roll Ramp away from vehicle.
and
nut securely. Recheck first T-bolt for tightness.
e. O P E N p u m p r e l e a s e v a l v e ( H a n d - t u r n  k n o b
e. Hitch eye of two-bar to towing vehicle.
c o u n t e r clockwise). R A M P S H O U L D B E L E F T I N
f. C h e c k p u m p r e l e a s e v a l v e t u r n k n o b c o u n -
LOWERED  POSITION  WITH  RELEASE
VALVE OPEN AT ALL TIMES WHEN RAMP IS
terclockwise-OPEN.
LEAVE
PUMP
RELEASE
NOT
IN
USE
TO
PREVENT
HYDRAULIC
VALVE IN "OPEN" POSITION AT ALL TIMES
SYSTEM
DAMAGE.
WHILE  TOWING.
g. M a x i m u m  T o w i n g  S p e e d
2 - 4 . Caution--Important
Primary and secondary roads - 25 mph - Cross
country - 5 mph
a. Pump release valve must be OPEN at all times
except when raising the RAMP.
h. Tow ramp to loading area.
b. RAMP must be in full lowered position when
2-2. Positioning for Use
c h e c k i n g or filling hydraulic oil in pump reservoir.
Use only hydraulic oil for replenishment.
a CLOSE pump release valve (Hand turn knob
c. Check pneumatic tires and air spring at least
clock wise).
b. Pump handle to raise RAMP about 2" higher
o n c e a month or whenever necessary to assure the
than vehicle or dock floor.
correct  inflation  pressures.
c. M o v e  r a m p  i n t o  p o s i t i o n
so
ramp
apron
d. I f w h e e l b e a r i n g s a r e s u b m e r g e d i n w a t e r
immediately clean bearing and repack with fresh
overlaps floor fully to the bulkhead.
d. O P E N p u m p r e l e a s e v a l v e t u r n i n g k n o b i n
wheel bearing grease.
c o u n t e r clockwise direction, allowing ramp apron to
e. S t o r e p u m p h a n d l e i n t u b u l a r r e t a i n e r o n
settle down onto floor.
outside of ramp when it is not being used.
f. T h e  U n d e r c a r r i a g e  m u s t  n o t  b e  i n
a
load
e. L E A V E  P U M P  R E L E A S E - V A L V E  I N
"OPEN"  POSITION  AT  ALL  TIMES  WHILE
bearing condition when the RAMP is being used for
RAMP IS IN USE TO PREVENT HYDRAULIC
loading or unloading.

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