BENDIX TCH-011-001 User's Manual
Contents
1. Technical Bulletin Bulletin No PRO 11 01 Effective Date 9 15 78 Cancels PRO 11 01 dated 5 3 76 Page 1 of 3 Subject AH 4 Air Over Hydraulic Intensifier Ref Figures 1 2 3 4 5 and 6 The AH 4 Air Over Hydraulic Intensifiers have been in use for approximately three years and service requirements are starting to materialize The AH 4 uses one basic master cylinder design in combination with either a type 50 type 36 or a type 30 Rotochamber giving a pressure ratio of 23 5 1 17 1 or 13 5 1 respectively Master cylinder volume for type 50 and 36 is 6 inch for type 30 Master Cylinder Volume is 4 8 inch Hydraulic fluid is supplied to the master cylinder from either a direct or a remote mounted reservoir Most AH 4 s use hydraulic brake fluid however certain models equipped with different seals use mineral type hydraulic oil Most assemblies are equipped with a stroke warning switch which will close upon excessive stroke lighting a light at the operator s station The Rotochambers normally breathe from the non pressure area through four openings between the head and shell however certain models designed for dusty operating conditions are designed with a close fit between head and shell and breathe through an air filter in the head Mounting brackets are normally supplied at each end of the rotochamber for either right of left hand mounting and the high pressure hydraulic connection may be on either the right or left s2. 690 8Z 690 8z 690 92 2992 94992 S 99z 0S 997 942982 440282 Z8 887 9 LSL98Z 259897 193ON 95 992 Y 10AY3930 YSONT TA YJLSVW YI GWVHIOLOY
3. ide of the master cylinder Figure 1 is a cross section of an assembly with integral reservoir Figure 2 shows a section of a 3 8 NPT adapter for connecting a remote reservoir Figure 3 shows an adapter with 1 flared tube seat Figure 4 shows an end view of a master cylinder with left hand mounting bracket and right hand hydraulic delivery Figure 5 shows a cross section of the dust resistant version with an air filter for breathing non pressure air Figure 6 is a chart of the most popular Pc Nos indicating their configuration reference the foregoing figures and also vehicles on which most of the OEM installations have been made service Data for AH 4 s is available in SD 11 1 publication Maintenance kits for the master cylinder are available under Pc No 289286 for brake fluid and No 289287 for mineral oil 3 8 ORYSEAL PIPE THO 77 16 24 UNS THO FOR 1 4 INVERTED FLARE TUSING T v 1 hae i 27 AIR STRAINER 288244 i k URS FIG 5 SISHHINGNVd NI WINN Ag CACHOUAGNS ALAIOSHO MON LANOVYd NI MACNN WaddN AION MINA Wad IAI OTINVAGKH GF MINDIA Wid 7 7887 WANIVULS ULV MHL SHIVA WIV AWNISSAYd NON q GACNTONI ION HOLIMS ONINUVM x PRO 690 92 0 165887 9882 o 165887 sosegz 9E w Z682 fe 0S Sh 98Z WJ 9 52992 140 92 0S 499z 0 0 92 9 S 99Z I9 99z 9 52992 959882 6 99z 94L982 94 L987 690L8Z
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